{ "vessels": { "urn:mrn:imo:mmsi:230099999": { "mmsi": "230099999", "notifications": { "navigation": { "position": { "method": ["sound"], "state": "warn", "message": "Position is more than 5 minutes old", "timestamp": "2017-01-23T14:24:21Z", "reason": "Insufficient satellites in view" } } } } }, "version": "1.0.0", "self": "vessels.urn:mrn:imo:mmsi:230099999" }