[
  {
    "@context":"http://context.json-ld",
    "position_status": {
      "type":"Property",
      "value": "ERROR"
    },
    "position_info": {
      "type":"Property",
      "value": "EXPIRED"
    },
    "id":"urn:ngsi-ld:Robot:r2d2",
    "type":"Robot"
  }
]