curl 'http://localhost:8181/rests/operations/odl-device-notification:subscribe-device-notification' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--header 'Authorization: Basic YWRtaW46YWRtaW4=' \
--data '{
  "input": {
     "path":"/network-topology:network-topology/topology[topology-id='\''topology-netconf'\'']/node[node-id='\''netopeer'\'']"
  }
}'

{
    "servlet": "org.glassfish.jersey.servlet.ServletContainer",
    "message": "Internal Server Error",
    "url": "/rests/operations/odl-device-notification:subscribe-device-notification",
    "status": "500"
}

 09:38:23.823 ERROR [CommitFutures-1] MessageBodyWriter not found for media type=application/json, type=class org.opendaylight.restconf.server.spi.OperationOutputBody, genericType=class org.opendaylight.restconf.server.spi.OperationOutputBody.