curl --request POST \
  --url https://api.example.com/sing_frame_volume \
  --header 'Content-Type: application/json' \
  --data '
{
  "score": {
    "notes": [
      {
        "frame_length": 123,
        "lyric": "<string>",
        "id": "<string>",
        "key": 123
      }
    ]
  },
  "frame_audio_query": {
    "f0": [
      123
    ],
    "volume": [
      123
    ],
    "phonemes": [
      {
        "phoneme": "<string>",
        "frame_length": 123,
        "note_id": "<string>"
      }
    ],
    "volumeScale": 123,
    "outputSamplingRate": 123,
    "outputStereo": true
  }
}
'

[
  123
]