{
  "id": "urn:ngsi-ld:Vehicle:A4567",
  "type": "Vehicle",
  "speed#1": {
    "type": "Property",
    "value": 55,
    "source": {
      "type": "Property",
      "value": "Speedometer"
    },
    "datasetId": "urn:ngsi-ld:Property:speedometerA4567-speed"
  },
  "speed#2": {
    "type": "Property",
    "value": 54.5,
    "source": {
      "type": "Property",
      "value": "GPS"
    },
    "datasetId": "urn:ngsi-ld:Property:gpsBxyz123-speed"
  },
  "@context": [
    "https://forge.etsi.org/gitlab/NGSI-LD/NGSI-LD/raw/master/coreContext/ngsi-ld-core-context.json",
    {
      "speed#1": "http://example.org/speed",
      "speed#2": "http://example.org/speed",
      "source": "http://example.org/hasSource"
    }
  ]
}