diff --git a/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/PowerAuthSignatureMetadata.java b/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/PowerAuthSignatureMetadata.java
index 7b05c5111..a15e4218c 100644
--- a/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/PowerAuthSignatureMetadata.java
+++ b/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/PowerAuthSignatureMetadata.java
@@ -36,7 +36,7 @@
 @AllArgsConstructor
 @NoArgsConstructor
 @Data
-public class PowerAuthSignatureMetadata implements SignatureMetadata<String, String>, Serializable {
+public class PowerAuthSignatureMetadata implements SignatureMetadata<String, Object>, Serializable {
 
     @JsonProperty("signatureDataMethod")
     private String signatureDataMethod;
diff --git a/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/SignatureMetadata.java b/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/SignatureMetadata.java
index addafbca6..30df2abcd 100644
--- a/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/SignatureMetadata.java
+++ b/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/SignatureMetadata.java
@@ -25,11 +25,12 @@
 import java.io.Serializable;
 
 /**
- * Represents a generic interface for metadata related to different types of signatures.
- * The interface allows for defining various metadata attributes as type parameters T1 and T2.
+ * Represents an interface for metadata related to different types of signatures.
+ * The interface is designed to work specifically with metadata attributes of type
+ * String for the first parameter and Object for the second parameter. This allows
+ * the flexibility to capture various metadata details according to the specific
+ * requirements of different signature algorithms or methods.
  *
- * @param <T1> The type of the first metadata parameter.
- * @param <T2> The type of the second metadata parameter.
  * @author Jan Dusil
  */
 @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
@@ -37,7 +38,8 @@
         @JsonSubTypes.Type(value = PowerAuthSignatureMetadata.class,
                 name = SignatureMetadataType.POWERAUTH)
 })
-public interface SignatureMetadata<T1, T2> extends Serializable {
+public interface SignatureMetadata<String, Object> extends Serializable {
 
 }
 
+
diff --git a/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/converter/SignatureMetadataConverter.java b/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/converter/SignatureMetadataConverter.java
index b685c3ed6..afa31d6a8 100644
--- a/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/converter/SignatureMetadataConverter.java
+++ b/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/converter/SignatureMetadataConverter.java
@@ -38,10 +38,17 @@
 @Converter
 @Component
 @Slf4j
-public class SignatureMetadataConverter implements AttributeConverter<SignatureMetadata<?, ?>, String> {
+public class SignatureMetadataConverter implements AttributeConverter<SignatureMetadata<String, Object>, String> {
 
     private final ObjectMapper objectMapper;
 
+    /**
+     * Default constructor that initializes a default ObjectMapper.
+     */
+    public SignatureMetadataConverter() {
+        this.objectMapper = new ObjectMapper();
+    }
+
     /**
      * Constructor that initializes the ObjectMapper.
      *
@@ -59,7 +66,7 @@ public SignatureMetadataConverter(ObjectMapper objectMapper) {
      * @return The JSON string representation of the object.
      */
     @Override
-    public String convertToDatabaseColumn(SignatureMetadata<?, ?> attribute) {
+    public String convertToDatabaseColumn(SignatureMetadata<String, Object> attribute) {
         if (attribute == null) {
             return "{}";
         }
@@ -78,7 +85,7 @@ public String convertToDatabaseColumn(SignatureMetadata<?, ?> attribute) {
      * @return The converted SignatureMetadata object.
      */
     @Override
-    public SignatureMetadata<?, ?> convertToEntityAttribute(String s) {
+    public SignatureMetadata<String, Object> convertToEntityAttribute(String s) {
         if (StringUtils.isBlank(s)) {
             return null;
         }
diff --git a/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/enumeration/SignatureMetadataType.java b/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/enumeration/SignatureMetadataType.java
index e8f7f7eff..220ff5f37 100644
--- a/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/enumeration/SignatureMetadataType.java
+++ b/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/database/model/enumeration/SignatureMetadataType.java
@@ -34,6 +34,6 @@ public class SignatureMetadataType {
      * Represents PowerAuth signature metadata.
      * This value is used for identifying the type of metadata in JSON serialization/deserialization.
      */
-    public static final String POWERAUTH = "PowerAuthSignatureMetadata";
+    public static final String POWERAUTH = "POWERAUTH";
 }
 
diff --git a/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/service/behavior/tasks/AuditingServiceBehavior.java b/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/service/behavior/tasks/AuditingServiceBehavior.java
index 32de72a10..515f493bc 100644
--- a/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/service/behavior/tasks/AuditingServiceBehavior.java
+++ b/powerauth-java-server/src/main/java/io/getlime/security/powerauth/app/server/service/behavior/tasks/AuditingServiceBehavior.java
@@ -27,6 +27,7 @@
 import io.getlime.security.powerauth.app.server.converter.KeyValueMapConverter;
 import io.getlime.security.powerauth.app.server.converter.SignatureTypeConverter;
 import io.getlime.security.powerauth.app.server.database.model.PowerAuthSignatureMetadata;
+import io.getlime.security.powerauth.app.server.database.model.converter.SignatureMetadataConverter;
 import io.getlime.security.powerauth.app.server.database.model.entity.ActivationRecordEntity;
 import io.getlime.security.powerauth.app.server.database.model.entity.SignatureEntity;
 import io.getlime.security.powerauth.app.server.database.model.enumeration.ActivationStatus;
@@ -58,6 +59,8 @@ public class AuditingServiceBehavior {
     // Prepare converters
     private final ActivationStatusConverter activationStatusConverter = new ActivationStatusConverter();
     private final SignatureTypeConverter signatureTypeConverter = new SignatureTypeConverter();
+
+    private final SignatureMetadataConverter signatureMetadataConverter = new SignatureMetadataConverter();
     private final KeyValueMapConverter keyValueMapConverter;
 
     // Generic auditing capability
@@ -188,8 +191,7 @@ public void logSignatureAuditRecord(ActivationRecordDto activation, SignatureDat
                 .param("additionalInfo", additionalInfo)
                 .param("data", data)
                 .param("signature", signatureData.getSignature())
-                .param("signatureDataMethod", signatureData.getRequestMethod())
-                .param("signatureDataUriId", signatureData.getRequestUriId())
+                .param("signatureMetadata", signatureMetadataConverter.convertToDatabaseColumn(signatureMetadata))
                 .param("signatureDataBody", signatureData.getRequestBody())
                 .param("signatureType", signatureType.name())
                 .param("signatureVersion", signatureData.getSignatureVersion())
diff --git a/powerauth-java-server/src/test/java/io/getlime/security/powerauth/app/server/service/model/signature/SignatureMetadataConverterTest.java b/powerauth-java-server/src/test/java/io/getlime/security/powerauth/app/server/service/model/signature/SignatureMetadataConverterTest.java
index 476d8a506..4db5e0f90 100644
--- a/powerauth-java-server/src/test/java/io/getlime/security/powerauth/app/server/service/model/signature/SignatureMetadataConverterTest.java
+++ b/powerauth-java-server/src/test/java/io/getlime/security/powerauth/app/server/service/model/signature/SignatureMetadataConverterTest.java
@@ -46,8 +46,7 @@ public class SignatureMetadataConverterTest {
      */
     @BeforeEach
     void setUp() {
-        ObjectMapper objectMapper = new ObjectMapper();
-        converter = new SignatureMetadataConverter(objectMapper);
+        converter = new SignatureMetadataConverter();
     }
 
     /**
@@ -59,7 +58,7 @@ void convertToDatabaseColumnTest() {
         String jsonStr = converter.convertToDatabaseColumn(metadata);
 
         assertNotNull(jsonStr);
-        assertEquals("{\"type\":\"PowerAuthSignatureMetadata\",\"signatureDataMethod\":\"POST\",\"signatureDataUriId\":\"123\"}", jsonStr);
+        assertEquals("{\"type\":\"POWERAUTH\",\"signatureDataMethod\":\"POST\",\"signatureDataUriId\":\"123\"}", jsonStr);
     }
 
     /**
@@ -67,7 +66,7 @@ void convertToDatabaseColumnTest() {
      */
     @Test
     void convertToEntityAttributeTest() {
-        String jsonStr = "{\"type\":\"PowerAuthSignatureMetadata\",\"signatureDataMethod\":\"POST\",\"signatureDataUriId\":\"123\"}";
+        String jsonStr = "{\"type\":\"POWERAUTH\",\"signatureDataMethod\":\"POST\",\"signatureDataUriId\":\"123\"}";
         PowerAuthSignatureMetadata metadata = (PowerAuthSignatureMetadata) converter.convertToEntityAttribute(jsonStr);
 
         assertNotNull(metadata);
@@ -95,7 +94,7 @@ void testRoundTripConversion() {
     @Test
     void testInvalidJsonInput() {
         String invalidJson = "{\"invalidField\":\"someValue\"}";
-        SignatureMetadata<String, String> metadata = (PowerAuthSignatureMetadata) converter.convertToEntityAttribute(invalidJson);
+        SignatureMetadata<String, Object> metadata = (PowerAuthSignatureMetadata) converter.convertToEntityAttribute(invalidJson);
         assertNull(metadata);
     }
 }