{
  "directive": {
    "header": {
      "namespace": "Alexa.ThermostatController",
      "name": "SetTargetTemperature",
      "messageId": "Unique version 4 UUID",
      "correlationToken": "Opaque correlation token",
      "payloadVersion": "3.2"
    },
    "endpoint": {
      "scope": {
        "type": "BearerToken",
        "token": "OAuth2 bearer token"
      },
      "endpointId": "endpoint id",
      "cookie": {}
    },
    "payload": {
      "targetSetpoint": {
        "value": 20,
        "scale": "CELSIUS"
      },
      "holdUntil": {
        "start": "2017-10-04T14:00Z",
        "end": "2017-10-04T14:15Z"
      }
    }
  }
}