diff --git a/redfish-core/include/event_service_manager.hpp b/redfish-core/include/event_service_manager.hpp
index f3f9f39..9220a28 100644
--- a/redfish-core/include/event_service_manager.hpp
+++ b/redfish-core/include/event_service_manager.hpp
@@ -283,7 +283,7 @@
 bool readSSEQueryParams(std::string sseFilter, std::string& formatType,
                         std::vector<std::string>& messageIds,
                         std::vector<std::string>& registryPrefixes,
-                        std::vector<nlohmann::json>& metricReportDefinitions)
+                        std::vector<std::string>& metricReportDefinitions)
 {
     sseFilter.erase(std::remove_if(sseFilter.begin(), sseFilter.end(),
                                    isFilterQuerySpecialChar),
@@ -370,7 +370,7 @@
     std::vector<std::string> registryPrefixes;
     std::vector<std::string> resourceTypes;
     std::vector<nlohmann::json> httpHeaders; // key-value pair
-    std::vector<nlohmann::json> metricReportDefinitions;
+    std::vector<std::string> metricReportDefinitions;
 
     Subscription(const Subscription&) = delete;
     Subscription& operator=(const Subscription&) = delete;
diff --git a/redfish-core/lib/event_service.hpp b/redfish-core/lib/event_service.hpp
index 4d9d4d9..b532815 100644
--- a/redfish-core/lib/event_service.hpp
+++ b/redfish-core/lib/event_service.hpp
@@ -239,7 +239,7 @@
         std::optional<std::vector<std::string>> regPrefixes;
         std::optional<std::vector<std::string>> resTypes;
         std::optional<std::vector<nlohmann::json>> headers;
-        std::optional<std::vector<nlohmann::json>> metricReportDefinitions;
+        std::optional<std::vector<nlohmann::json>> mrdJsonArray;
 
         if (!json_util::readJson(
                 req, res, "Destination", destUrl, "Context", context,
@@ -247,7 +247,7 @@
                 "EventFormatType", eventFormatType, "HttpHeaders", headers,
                 "RegistryPrefixes", regPrefixes, "MessageIds", msgIds,
                 "DeliveryRetryPolicy", retryPolicy, "MetricReportDefinitions",
-                metricReportDefinitions, "ResourceTypes", resTypes))
+                mrdJsonArray, "ResourceTypes", resTypes))
         {
             return;
         }
@@ -413,9 +413,24 @@
             subValue->retryPolicy = "TerminateAfterRetries";
         }
 
-        if (metricReportDefinitions)
+        if (mrdJsonArray)
         {
-            subValue->metricReportDefinitions = *metricReportDefinitions;
+            for (nlohmann::json& mrdObj : *mrdJsonArray)
+            {
+                std::string mrdUri;
+                if (json_util::getValueFromJsonObject(mrdObj, "@odata.id",
+                                                      mrdUri))
+                {
+                    subValue->metricReportDefinitions.emplace_back(mrdUri);
+                }
+                else
+                {
+                    messages::propertyValueFormatError(
+                        asyncResp->res, mrdObj.dump(),
+                        "MetricReportDefinitions");
+                    return;
+                }
+            }
         }
 
         std::string id =
@@ -593,8 +608,13 @@
 
         asyncResp->res.jsonValue["MessageIds"] = subValue->registryMsgIds;
         asyncResp->res.jsonValue["DeliveryRetryPolicy"] = subValue->retryPolicy;
-        asyncResp->res.jsonValue["MetricReportDefinitions"] =
-            subValue->metricReportDefinitions;
+
+        std::vector<nlohmann::json> mrdJsonArray;
+        for (const auto& mdrUri : subValue->metricReportDefinitions)
+        {
+            mrdJsonArray.push_back({{"@odata.id", mdrUri}});
+        }
+        asyncResp->res.jsonValue["MetricReportDefinitions"] = mrdJsonArray;
     }
 
     void doPatch(crow::Response& res, const crow::Request& req,