diff --git a/backend/src/main/java/com/nttdata/calender/api/RequestInterceptor.java b/backend/src/main/java/com/nttdata/calender/api/RequestInterceptor.java
index 073000c..6dd62e2 100644
--- a/backend/src/main/java/com/nttdata/calender/api/RequestInterceptor.java
+++ b/backend/src/main/java/com/nttdata/calender/api/RequestInterceptor.java
@@ -106,21 +106,23 @@ public class RequestInterceptor implements HandlerInterceptor {
     }
 
     private String convertFieldValuesToJson(List<String> fieldValues) {
-        if (fieldValues == null) {
-            return "‎";
+        if (fieldValues == null || fieldValues.isEmpty()) {
+            return "{}";
         }
-
-        StringBuilder fieldValueString = new StringBuilder();
+    
+        StringBuilder fieldValueString = new StringBuilder("{\n");
         for (String field : fieldValues) {
-            fieldValueString.append("\"").append(field).append("\", \n");
+            fieldValueString.append("\t\"").append(field).append("\",\n");
         }
-        // Remove the last comma and space
-        if (fieldValueString.length() >= 1) {
+        // Remove the last comma and newline
+        if (fieldValueString.length() >= 2) {
             fieldValueString.setLength(fieldValueString.length() - 2);
         }
-
+    
+        fieldValueString.append("\n}");
         return fieldValueString.toString();
     }
+    
 
     private Query buildQueryEntry(long transactionId, String actionType, String affectedForm, String changeNr, String assignedTo, int status, String requestId, String fieldValueJson) {
         return new Query.QueryBuilder(FORM_NAME)