02_Response.json

{
   "header": {
      "payloadVersion": 2,
      "signatureVersion": 1
   },
   "payload": {
      "action": "setVolume",
      "clientId": "alexa-skill",
      "createdAt": 1567860300,
      "deviceId": "5d737888aea17c30a056d759",
      "message": "OK",
      "replyToken": "6ec1f778-e92f-487c-9818-bdbe3438f30e",
      "success": true,
      "type": "response",
      "value": {
          "volume": 25
      }
  },
   "signature": {
      "HMAC": "xxxxxxxx"
   }
}