Done ticket GEPAFINBE-133 User action api response.

src/main/java/net/gepafin/tendermanagement/util/Utils.java

@@ -154,6 +154,9 @@ public class Utils {
 	public static String convertMapIntoJsonString(Map<String, Object> map) {
 		try {
 			ObjectMapper mapper = new ObjectMapper();
+			mapper.registerModule(new JavaTimeModule());
+			mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
+			mapper.enable(SerializationFeature.INDENT_OUTPUT);
 			if (MapUtils.isNotEmpty(map)) {
 				return mapper.writeValueAsString(map);
 			}