{
                  "envoy_grpc": {
                   "cluster_name": "sds-grpc"
                  }
                 }
                ],
                "set_node_on_first_message_only": true,
                "transport_api_version": "V3"
               },
               "initial_fetch_timeout": "0s",
               "resource_api_version": "V3"
              }
             }