new_contents: avsRequestHeader = {
          "messageHeader": {
              "deviceContext": [
                  {
                      "name": "playbackState",
                      "namespace": "AudioPlayer",
                      "payload": {
                          "streamId": "",
                          "offsetInMilliseconds": "0",
                          "playerActivity": "IDLE"
                      }
                  }
              ]
          },
          "messageBody": {
              "profile": "alexa-close-talk",
              "locale": "en-us",
              "format": "audio/L16; rate=16000; channels=1"
          }
      }
subject: Put AVS Request Header into separate module