{ "id": "urn:ngsi-ld:Vehicle:V123", "type": "Vehicle", "speed": { "type": "Property", "value": 23, "accuracy": { "type": "Property", "value": 22 }, "providedBy": { "type": "Relationship", "object": "urn:ngsi-ld:Person:Bob" } }, "closeTo": { "type": "Relationship", "object": "urn:ngsi-ld:Building:B1234" } }