{
  "context": "vessels.urn:mrn:imo:mmsi:234567890",
  "updates": [
    {
      "source": {
        "label": "N2000-01",
        "type": "NMEA2000",
        "src": "017",
        "pgn": 127488
      },
      "timestamp": "2013-10-08T15:47:28.263Z",
      "meta": [
        {
          "path": "propulsion.0.revolutions",
          "value": {
            "description": "Engine revolutions (x60 for RPM)",
            "units": "Hz"
          }
        }
      ],
      "values": [
        {
          "path": "propulsion.0.revolutions",
          "value": 11
        }
      ]
    }
  ]
}