diff --git a/datatrails-common-api/assets/v2/assets/eventresponse.proto b/datatrails-common-api/assets/v2/assets/eventresponse.proto
index e91221a..c213265 100644
--- a/datatrails-common-api/assets/v2/assets/eventresponse.proto
+++ b/datatrails-common-api/assets/v2/assets/eventresponse.proto
@@ -16,28 +16,18 @@ message MerklLogEntry {
         }
     };
 
-    // Event trust level commited fields
-
-    // versiona and epoch of the tenants log data.
+    // Tenant log version and log epoch
     uint32 log_version = 1;
     uint32 log_epoch = 2;
-    uint64 log_leaf_index = 3; // TBD: this may be redundant.
-    uint64 log_index = 4; // TBD: this will very likely be included in the trie key
-
-    // triekey_committed includes a time ordered sub key for verifiable, roughly
-    // time aligned, correlation against other indepdendently logged events. Per
-    // tenant log the id is guaranteed unique.  For all practical purposes it is
-    // system wide unique, but there are operational assumptions to make that
-    // hold.
-    bytes triekey_committed = 5 [
-    (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
-        description: "256 bit radix 2 merkle trie key for the event. this key includes a unique, time ordered 64 bit, sub key"
-        read_only: true
-    }];
+
+    // Event trust level commited fields
+
+    uint64 log_index = 3;
+    uint64 log_leaf_index = 4; // TBD: this may be redundant.
 
     // upsert & db query friendly copy of the idtimestamp field from triekey_committed
 
-    fixed64 idtimestamp_committed = 6 [
+    fixed64 idtimestamp_committed = 5 [
     (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
         description: "unique and time ordered verifiable log entry id"
         read_only: true
@@ -45,6 +35,8 @@ message MerklLogEntry {
 
     // TODO: Event trust level confirmed fields
 
+    // signature over tenant mmr root
+
     // TODO: Event trust level uniquivocal fields
 }
 
@@ -204,6 +196,7 @@ message EventResponse {
         max_length: 1024
     }];
 
+    // TODO: rename log_entry -> merkle_log_entry
     MerklLogEntry log_entry = 20 [ (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
         description:
         "verifiable log entry details"