+| Name | Description | JSON Response |
+|---------------------|---------------------------------------------|------------------------------------|
+| subscribe | subscribe to an navigation service | *Request:* {"value": "status"} |
+| unsubscribe | unsubscribe to an navigation service | *Request:* {"value": "status"} |
+| broadcast_status | broadcast status event to other clients | *Request:* {"state": "stop"} |
+| broadcast_position | broadcast position event to other clients | See *position Verb* section |
+| broadcast_waypoints | broadcast waypoints events to other clients | See *waypoints Verb* section |