diff --git a/x-pack/plugins/observability_solution/apm/common/entities/types.ts b/x-pack/plugins/observability_solution/apm/common/entities/types.ts
index 43b5531d211a9..7399dc4796814 100644
--- a/x-pack/plugins/observability_solution/apm/common/entities/types.ts
+++ b/x-pack/plugins/observability_solution/apm/common/entities/types.ts
@@ -17,7 +17,7 @@ export interface EntityMetrics {
   latency: number | null;
   throughput: number | null;
   failedTransactionRate: number;
-  logRatePerMinute: number;
+  logRate: number;
   logErrorRate: number | null;
 }
 
diff --git a/x-pack/plugins/observability_solution/apm/common/es_fields/entities.ts b/x-pack/plugins/observability_solution/apm/common/es_fields/entities.ts
index 043d611d37ce5..9c94b77743574 100644
--- a/x-pack/plugins/observability_solution/apm/common/es_fields/entities.ts
+++ b/x-pack/plugins/observability_solution/apm/common/es_fields/entities.ts
@@ -9,4 +9,3 @@ export const LAST_SEEN = 'entity.lastSeenTimestamp';
 export const FIRST_SEEN = 'entity.firstSeenTimestamp';
 
 export const ENTITY = 'entity';
-export const ENTITY_ENVIRONMENT = 'entity.identityFields.service.environment';
diff --git a/x-pack/plugins/observability_solution/apm/public/components/app/entities/charts/log_rate_chart.tsx b/x-pack/plugins/observability_solution/apm/public/components/app/entities/charts/log_rate_chart.tsx
index d8f3ebbf7f665..c46c55511dbf2 100644
--- a/x-pack/plugins/observability_solution/apm/public/components/app/entities/charts/log_rate_chart.tsx
+++ b/x-pack/plugins/observability_solution/apm/public/components/app/entities/charts/log_rate_chart.tsx
@@ -92,7 +92,7 @@ export function LogRateChart({ height }: { height: number }) {
               description={
                 <FormattedMessage
                   defaultMessage="Rate of logs per minute observed for given {serviceName}."
-                  id="xpack.apm.multiSignal.servicesTable.logRatePerMinute.tooltip.description"
+                  id="xpack.apm.multiSignal.servicesTable.logRate.tooltip.description"
                   values={{
                     serviceName: (
                       <code
@@ -101,7 +101,7 @@ export function LogRateChart({ height }: { height: number }) {
                         `}
                       >
                         {i18n.translate(
-                          'xpack.apm.multiSignal.servicesTable.logRatePerMinute.tooltip.serviceNameLabel',
+                          'xpack.apm.multiSignal.servicesTable.logRate.tooltip.serviceNameLabel',
                           {
                             defaultMessage: 'service.name',
                           }
diff --git a/x-pack/plugins/observability_solution/apm/public/components/app/service_inventory/multi_signal_inventory/table/get_service_columns.tsx b/x-pack/plugins/observability_solution/apm/public/components/app/service_inventory/multi_signal_inventory/table/get_service_columns.tsx
index 0fe647b2c5127..01350075c6bf6 100644
--- a/x-pack/plugins/observability_solution/apm/public/components/app/service_inventory/multi_signal_inventory/table/get_service_columns.tsx
+++ b/x-pack/plugins/observability_solution/apm/public/components/app/service_inventory/multi_signal_inventory/table/get_service_columns.tsx
@@ -173,17 +173,17 @@ export function getServiceColumns({
       },
     },
     {
-      field: ServiceInventoryFieldName.LogRatePerMinute,
+      field: ServiceInventoryFieldName.logRate,
       name: (
         <ColumnHeader
-          label={i18n.translate('xpack.apm.multiSignal.servicesTable.logRatePerMinute', {
+          label={i18n.translate('xpack.apm.multiSignal.servicesTable.logRate', {
             defaultMessage: 'Log rate (per min.)',
           })}
           formula={getMetricsFormula(ChartMetricType.LOG_RATE)}
           toolTip={
             <FormattedMessage
               defaultMessage="Rate of logs per minute observed for given {serviceName}."
-              id="xpack.apm.multiSignal.servicesTable.logRatePerMinute.tooltip.description"
+              id="xpack.apm.multiSignal.servicesTable.logRate.tooltip.description"
               values={{
                 serviceName: (
                   <code
@@ -192,7 +192,7 @@ export function getServiceColumns({
                     `}
                   >
                     {i18n.translate(
-                      'xpack.apm.multiSignal.servicesTable.logRatePerMinute.tooltip.serviceNameLabel',
+                      'xpack.apm.multiSignal.servicesTable.logRate.tooltip.serviceNameLabel',
                       {
                         defaultMessage: 'service.name',
                       }
@@ -215,7 +215,7 @@ export function getServiceColumns({
             isLoading={false}
             color={currentPeriodColor}
             series={timeseriesData?.currentPeriod?.logRate[serviceName] ?? []}
-            valueLabel={asDecimalOrInteger(metrics.logRatePerMinute)}
+            valueLabel={asDecimalOrInteger(metrics.logRate)}
             hideSeries={!showWhenSmallOrGreaterThanLarge}
           />
         );
diff --git a/x-pack/plugins/observability_solution/apm/public/components/app/service_inventory/multi_signal_inventory/table/multi_signal_services_table.tsx b/x-pack/plugins/observability_solution/apm/public/components/app/service_inventory/multi_signal_inventory/table/multi_signal_services_table.tsx
index 5320fef8f22db..12980917d82c0 100644
--- a/x-pack/plugins/observability_solution/apm/public/components/app/service_inventory/multi_signal_inventory/table/multi_signal_services_table.tsx
+++ b/x-pack/plugins/observability_solution/apm/public/components/app/service_inventory/multi_signal_inventory/table/multi_signal_services_table.tsx
@@ -26,7 +26,7 @@ export enum ServiceInventoryFieldName {
   Throughput = 'metrics.throughput',
   Latency = 'metrics.latency',
   FailedTransactionRate = 'metrics.failedTransactionRate',
-  LogRatePerMinute = 'metrics.logRatePerMinute',
+  logRate = 'metrics.logRate',
   LogErrorRate = 'metrics.logErrorRate',
 }
 
diff --git a/x-pack/plugins/observability_solution/apm/server/routes/entities/get_entities.ts b/x-pack/plugins/observability_solution/apm/server/routes/entities/get_entities.ts
index b129a544d9fe3..3fd32c9b07a81 100644
--- a/x-pack/plugins/observability_solution/apm/server/routes/entities/get_entities.ts
+++ b/x-pack/plugins/observability_solution/apm/server/routes/entities/get_entities.ts
@@ -6,13 +6,13 @@
  */
 import { QueryDslQueryContainer } from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
 import { kqlQuery } from '@kbn/observability-plugin/server';
-import { AGENT_NAME, DATA_STEAM_TYPE } from '../../../common/es_fields/apm';
 import {
-  ENTITY_ENVIRONMENT,
-  FIRST_SEEN,
-  LAST_SEEN,
-  ENTITY,
-} from '../../../common/es_fields/entities';
+  AGENT_NAME,
+  DATA_STEAM_TYPE,
+  SERVICE_ENVIRONMENT,
+  SERVICE_NAME,
+} from '../../../common/es_fields/apm';
+import { FIRST_SEEN, LAST_SEEN, ENTITY } from '../../../common/es_fields/entities';
 import { environmentQuery } from '../../../common/utils/environment_query';
 import { EntitiesESClient } from '../../lib/helpers/create_es_client/create_assets_es_client/create_assets_es_clients';
 import { EntitiesRaw, ServiceEntities } from './types';
@@ -56,12 +56,12 @@ export async function getEntities({
       body: {
         size,
         track_total_hits: false,
-        _source: [AGENT_NAME, ENTITY, DATA_STEAM_TYPE],
+        _source: [AGENT_NAME, ENTITY, DATA_STEAM_TYPE, SERVICE_NAME, SERVICE_ENVIRONMENT],
         query: {
           bool: {
             filter: [
               ...kqlQuery(kuery),
-              ...environmentQuery(environment, ENTITY_ENVIRONMENT),
+              ...environmentQuery(environment, SERVICE_ENVIRONMENT),
               ...entitiesRangeQuery(start, end),
             ],
           },
@@ -72,7 +72,10 @@ export async function getEntities({
 
   return entities.map((entity): ServiceEntities => {
     return {
-      serviceName: entity.entity.identityFields.service.name,
+      serviceName: entity.service.name,
+      environment: Array.isArray(entity.service?.environment) // TODO fix this in the EEM
+        ? entity.service.environment[0]
+        : entity.service.environment,
       agentName: entity.agent.name[0],
       signalTypes: entity.data_stream.type,
       entity: entity.entity,
diff --git a/x-pack/plugins/observability_solution/apm/server/routes/entities/types.ts b/x-pack/plugins/observability_solution/apm/server/routes/entities/types.ts
index f55be3bb7ffb3..b5279e053cfd0 100644
--- a/x-pack/plugins/observability_solution/apm/server/routes/entities/types.ts
+++ b/x-pack/plugins/observability_solution/apm/server/routes/entities/types.ts
@@ -10,12 +10,7 @@ import { SignalTypes, EntityMetrics } from '../../../common/entities/types';
 export interface Entity {
   id: string;
   latestTimestamp: string;
-  identityFields: {
-    service: {
-      name: string;
-      environment?: string | null;
-    };
-  };
+  identityFields: string[];
   metrics: EntityMetrics;
 }
 
@@ -27,6 +22,7 @@ export interface TraceMetrics {
 
 export interface ServiceEntities {
   serviceName: string;
+  environment?: string;
   agentName: AgentName;
   signalTypes: string[];
   entity: Entity;
@@ -39,6 +35,10 @@ export interface EntitiesRaw {
   data_stream: {
     type: string[];
   };
+  service: {
+    name: string;
+    environment: string;
+  };
   entity: Entity;
 }
 
diff --git a/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/calculate_avg_metrics.test.ts b/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/calculate_avg_metrics.test.ts
index 14a156aef3663..41d6e8e8b0979 100644
--- a/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/calculate_avg_metrics.test.ts
+++ b/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/calculate_avg_metrics.test.ts
@@ -22,14 +22,14 @@ describe('calculateAverageMetrics', () => {
             failedTransactionRate: 5,
             latency: 5,
             logErrorRate: 5,
-            logRatePerMinute: 5,
+            logRate: 5,
             throughput: 5,
           },
           {
             failedTransactionRate: 10,
             latency: 10,
             logErrorRate: 10,
-            logRatePerMinute: 10,
+            logRate: 10,
             throughput: 10,
           },
         ],
@@ -45,14 +45,14 @@ describe('calculateAverageMetrics', () => {
             failedTransactionRate: 15,
             latency: 15,
             logErrorRate: 15,
-            logRatePerMinute: 15,
+            logRate: 15,
             throughput: 15,
           },
           {
             failedTransactionRate: 5,
             latency: 5,
             logErrorRate: 5,
-            logRatePerMinute: 5,
+            logRate: 5,
             throughput: 5,
           },
         ],
@@ -72,7 +72,7 @@ describe('calculateAverageMetrics', () => {
           failedTransactionRate: 7.5,
           latency: 7.5,
           logErrorRate: 7.5,
-          logRatePerMinute: 7.5,
+          logRate: 7.5,
           throughput: 7.5,
         },
         serviceName: 'service-1',
@@ -86,7 +86,7 @@ describe('calculateAverageMetrics', () => {
           failedTransactionRate: 10,
           latency: 10,
           logErrorRate: 10,
-          logRatePerMinute: 10,
+          logRate: 10,
           throughput: 10,
         },
         serviceName: 'service-2',
@@ -105,14 +105,14 @@ describe('calculateAverageMetrics', () => {
             failedTransactionRate: 5,
             latency: null,
             logErrorRate: 5,
-            logRatePerMinute: 5,
+            logRate: 5,
             throughput: 5,
           },
           {
             failedTransactionRate: 10,
             latency: null,
             logErrorRate: 10,
-            logRatePerMinute: 10,
+            logRate: 10,
             throughput: 10,
           },
         ],
@@ -131,7 +131,7 @@ describe('calculateAverageMetrics', () => {
         metrics: {
           failedTransactionRate: 7.5,
           logErrorRate: 7.5,
-          logRatePerMinute: 7.5,
+          logRate: 7.5,
           throughput: 7.5,
         },
         serviceName: 'service-1',
@@ -147,14 +147,14 @@ describe('mergeMetrics', () => {
         failedTransactionRate: 5,
         latency: 5,
         logErrorRate: 5,
-        logRatePerMinute: 5,
+        logRate: 5,
         throughput: 5,
       },
       {
         failedTransactionRate: 10,
         latency: 10,
         logErrorRate: 10,
-        logRatePerMinute: 10,
+        logRate: 10,
         throughput: 10,
       },
     ];
@@ -165,7 +165,7 @@ describe('mergeMetrics', () => {
       failedTransactionRate: [5, 10],
       latency: [5, 10],
       logErrorRate: [5, 10],
-      logRatePerMinute: [5, 10],
+      logRate: [5, 10],
       throughput: [5, 10],
     });
   });
diff --git a/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/merge_entities.test.ts b/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/merge_entities.test.ts
index 88566aa1d379c..544513fd501d2 100644
--- a/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/merge_entities.test.ts
+++ b/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/merge_entities.test.ts
@@ -13,18 +13,19 @@ describe('mergeEntities', () => {
     const entities = [
       {
         serviceName: 'service-1',
+        environment: 'test',
         agentName: 'nodejs' as AgentName as AgentName,
         signalTypes: ['metrics', 'logs'],
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 1,
+            logRate: 1,
             logErrorRate: null,
             throughput: 0,
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
           },
-          identityFields: { service: { name: 'service-1', environment: 'test' } },
+          identityFields: ['service.name', 'service.environment'],
           id: 'service-1:test',
         },
       },
@@ -41,7 +42,7 @@ describe('mergeEntities', () => {
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
             logErrorRate: null,
-            logRatePerMinute: 1,
+            logRate: 1,
             throughput: 0,
           },
         ],
@@ -54,70 +55,73 @@ describe('mergeEntities', () => {
     const entities = [
       {
         serviceName: 'service-1',
+        environment: 'env-service-1',
         agentName: 'nodejs' as AgentName as AgentName,
         signalTypes: ['foo'],
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 1,
+            logRate: 1,
             logErrorRate: null,
             throughput: 0,
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
           },
-
-          identityFields: { service: { name: 'apm-only-1', environment: 'env-service-1' } },
+          identityFields: ['service.name', 'service.environment'],
           id: 'service-1:env-service-1',
         },
       },
       {
         serviceName: 'service-1',
+        environment: 'env-service-2',
         agentName: 'nodejs' as AgentName as AgentName,
         signalTypes: ['bar'],
         entity: {
           latestTimestamp: '2024-03-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 10,
+            logRate: 10,
             logErrorRate: 10,
             throughput: 10,
             failedTransactionRate: 10,
             latency: 10,
           },
-          identityFields: { service: { name: 'service-1', environment: 'env-service-2' } },
+          identityFields: ['service.name', 'service.environment'],
           id: 'apm-only-1:synthtrace-env-2',
         },
       },
       {
         serviceName: 'service-2',
+        environment: 'env-service-3',
         agentName: 'java' as AgentName,
         signalTypes: ['baz'],
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 15,
+            logRate: 15,
             logErrorRate: 15,
             throughput: 15,
             failedTransactionRate: 15,
             latency: 15,
           },
-          identityFields: { service: { name: 'service-2', environment: 'env-service-3' } },
+          identityFields: ['service.name', 'service.environment'],
           id: 'service-2:env-service-3',
         },
       },
       {
         serviceName: 'service-2',
+        environment: 'env-service-4',
         agentName: 'java' as AgentName,
         signalTypes: ['baz'],
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 5,
+            logRate: 5,
             logErrorRate: 5,
             throughput: 5,
             failedTransactionRate: 5,
             latency: 5,
           },
-          identityFields: { service: { name: 'service-2', environment: 'env-service-4' } },
+          identityFields: ['service.name', 'service.environment'],
           id: 'service-2:env-service-3',
         },
       },
@@ -135,14 +139,14 @@ describe('mergeEntities', () => {
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
             logErrorRate: null,
-            logRatePerMinute: 1,
+            logRate: 1,
             throughput: 0,
           },
           {
             failedTransactionRate: 10,
             latency: 10,
             logErrorRate: 10,
-            logRatePerMinute: 10,
+            logRate: 10,
             throughput: 10,
           },
         ],
@@ -158,14 +162,14 @@ describe('mergeEntities', () => {
             failedTransactionRate: 15,
             latency: 15,
             logErrorRate: 15,
-            logRatePerMinute: 15,
+            logRate: 15,
             throughput: 15,
           },
           {
             failedTransactionRate: 5,
             latency: 5,
             logErrorRate: 5,
-            logRatePerMinute: 5,
+            logRate: 5,
             throughput: 5,
           },
         ],
@@ -177,52 +181,55 @@ describe('mergeEntities', () => {
     const entities = [
       {
         serviceName: 'service-1',
+        environment: 'test',
         agentName: 'nodejs' as AgentName,
         signalTypes: ['metrics', 'logs'],
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 5,
+            logRate: 5,
             logErrorRate: 5,
             throughput: 5,
             failedTransactionRate: 5,
             latency: 5,
           },
-          identityFields: { service: { name: 'service-1', environment: 'test' } },
+          identityFields: ['service.name', 'service.environment'],
           id: 'service-1:test',
         },
       },
       {
         serviceName: 'service-1',
+        environment: 'test',
         agentName: 'nodejs' as AgentName,
         signalTypes: ['metrics', 'logs'],
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 10,
+            logRate: 10,
             logErrorRate: 10,
             throughput: 10,
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
           },
-          identityFields: { service: { name: 'service-1', environment: 'test' } },
+          identityFields: ['service.name', 'service.environment'],
           id: 'service-1:test',
         },
       },
       {
         serviceName: 'service-1',
+        environment: 'prod',
         agentName: 'nodejs' as AgentName,
         signalTypes: ['foo'],
         entity: {
           latestTimestamp: '2024-23-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 0.333,
+            logRate: 0.333,
             logErrorRate: 0.333,
             throughput: 0.333,
             failedTransactionRate: 0.333,
             latency: 0.333,
           },
-          identityFields: { service: { name: 'service-1', environment: 'prod' } },
+          identityFields: ['service.name', 'service.environment'],
           id: 'service-1:prod',
         },
       },
@@ -239,21 +246,21 @@ describe('mergeEntities', () => {
             failedTransactionRate: 5,
             latency: 5,
             logErrorRate: 5,
-            logRatePerMinute: 5,
+            logRate: 5,
             throughput: 5,
           },
           {
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
             logErrorRate: 10,
-            logRatePerMinute: 10,
+            logRate: 10,
             throughput: 10,
           },
           {
             failedTransactionRate: 0.333,
             latency: 0.333,
             logErrorRate: 0.333,
-            logRatePerMinute: 0.333,
+            logRate: 0.333,
             throughput: 0.333,
           },
         ],
@@ -265,18 +272,19 @@ describe('mergeEntities', () => {
     const entity = [
       {
         serviceName: 'service-1',
+        environment: undefined,
         agentName: 'nodejs' as AgentName,
         signalTypes: [],
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 1,
+            logRate: 1,
             logErrorRate: null,
             throughput: 0,
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
           },
-          identityFields: { service: { name: 'service-1', environment: null } },
+          identityFields: ['service.name'],
           id: 'service-1:test',
         },
       },
@@ -293,7 +301,7 @@ describe('mergeEntities', () => {
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
             logErrorRate: null,
-            logRatePerMinute: 1,
+            logRate: 1,
             throughput: 0,
           },
         ],
@@ -309,13 +317,13 @@ describe('mergeEntities', () => {
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 1,
+            logRate: 1,
             logErrorRate: null,
             throughput: 0,
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
           },
-          identityFields: { service: { name: 'service-1', environment: null } },
+          identityFields: ['service.name'],
           id: 'service-1:test',
         },
       },
@@ -326,13 +334,13 @@ describe('mergeEntities', () => {
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 1,
+            logRate: 1,
             logErrorRate: null,
             throughput: 0,
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
           },
-          identityFields: { service: { name: 'service-1', environment: null } },
+          identityFields: ['service.name'],
           id: 'service-1:test',
         },
       },
@@ -349,11 +357,11 @@ describe('mergeEntities', () => {
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
             logErrorRate: null,
-            logRatePerMinute: 1,
+            logRate: 1,
             throughput: 0,
           },
           {
-            logRatePerMinute: 1,
+            logRate: 1,
             logErrorRate: null,
             throughput: 0,
             failedTransactionRate: 0.3333333333333333,
@@ -374,13 +382,13 @@ describe('mergeEntities', () => {
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 1,
+            logRate: 1,
             logErrorRate: null,
             throughput: 0,
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
           },
-          identityFields: { service: { name: 'service-1' } },
+          identityFields: ['service.name'],
           id: 'service-1:test',
         },
       },
@@ -397,7 +405,7 @@ describe('mergeEntities', () => {
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
             logErrorRate: null,
-            logRatePerMinute: 1,
+            logRate: 1,
             throughput: 0,
           },
         ],
@@ -413,13 +421,13 @@ describe('mergeEntities', () => {
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 1,
+            logRate: 1,
             logErrorRate: null,
             throughput: 0,
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
           },
-          identityFields: { service: { name: 'service-1' } },
+          identityFields: ['service.name'],
           id: 'service-1:test',
         },
       },
@@ -430,13 +438,13 @@ describe('mergeEntities', () => {
         entity: {
           latestTimestamp: '2024-06-05T10:34:40.810Z',
           metrics: {
-            logRatePerMinute: 1,
+            logRate: 1,
             logErrorRate: null,
             throughput: 0,
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
           },
-          identityFields: { service: { name: 'service-1' } },
+          identityFields: ['service.name'],
           id: 'service-1:test',
         },
       },
@@ -453,11 +461,11 @@ describe('mergeEntities', () => {
             failedTransactionRate: 0.3333333333333333,
             latency: 10,
             logErrorRate: null,
-            logRatePerMinute: 1,
+            logRate: 1,
             throughput: 0,
           },
           {
-            logRatePerMinute: 1,
+            logRate: 1,
             logErrorRate: null,
             throughput: 0,
             failedTransactionRate: 0.3333333333333333,
diff --git a/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/merge_entities.ts b/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/merge_entities.ts
index dd32a57776192..7dd8bfdace7bf 100644
--- a/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/merge_entities.ts
+++ b/x-pack/plugins/observability_solution/apm/server/routes/entities/utils/merge_entities.ts
@@ -33,7 +33,7 @@ function mergeFunc(entity: ServiceEntities, existingEntity?: MergedServiceEntiti
       serviceName: entity.serviceName,
       agentName: entity.agentName,
       signalTypes: entity.signalTypes,
-      environments: compact([entity.entity.identityFields.service?.environment]),
+      environments: compact([entity?.environment]),
       latestTimestamp: entity.entity.latestTimestamp,
       metrics: [entity.entity.metrics],
     };
@@ -42,9 +42,7 @@ function mergeFunc(entity: ServiceEntities, existingEntity?: MergedServiceEntiti
     serviceName: entity.serviceName,
     agentName: entity.agentName,
     signalTypes: uniq(compact([...(existingEntity?.signalTypes ?? []), ...entity.signalTypes])),
-    environments: uniq(
-      compact([...existingEntity?.environments, entity.entity.identityFields?.service?.environment])
-    ),
+    environments: uniq(compact([...existingEntity?.environments, entity?.environment])),
     latestTimestamp: entity.entity.latestTimestamp,
     metrics: [...existingEntity?.metrics, entity.entity.metrics],
   };