curl --request POST \
  --url https://api.example.com/add_preset \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 123,
  "name": "<string>",
  "speaker_uuid": "<string>",
  "style_id": 123,
  "speedScale": 123,
  "pitchScale": 123,
  "intonationScale": 123,
  "volumeScale": 123,
  "prePhonemeLength": 123,
  "postPhonemeLength": 123,
  "pauseLength": 123,
  "pauseLengthScale": 1
}
'

123