-----------SourceAudioMixersChanged-------------
{
  "hexMixersValue": "0xFE",
  "mixers": [
    {
      "enabled": false,
      "id": 1
    },
    {
      "enabled": true,
      "id": 2
    },
    {
      "enabled": true,
      "id": 3
    },
    {
      "enabled": true,
      "id": 4
    },
    {
      "enabled": true,
      "id": 5
    },
    {
      "enabled": true,
      "id": 6
    }
  ],
  "sourceName": "BackgroundMusic",
  "stream-timecode": "35:19:57.926",
  "update-type": "SourceAudioMixersChanged"
}
------------------------