{
  "1": {
    "wav_bytes": 48044,
    "base64_bytes": 64060,
    "synthetic_silence": true
  },
  "7": {
    "wav_bytes": 336044,
    "base64_bytes": 448060,
    "synthetic_silence": true
  },
  "30": {
    "wav_bytes": 1440044,
    "base64_bytes": 1920060,
    "synthetic_silence": true
  }
}