{
    "id":"light1",
    "type":"Light",        
  "temperature": {
    "type":"Number",
    "value":52,
    "metadata": {
      "type":"Property",
      "value":"CEL"
    }
  },
  "pressure": {
    "type":"Number",
    "value":"20071103T131805",
    "metadata": {
      "type":"Property",
      "value":"Hgmm"
    }
  }
}