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