curl --request POST \
  --url https://realtime-api.voiceflow.com/v1/stable/transcript-property \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>"
}
'

{
  "property": {
    "id": "<string>",
    "name": "<string>",
    "default": true,
    "projectID": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z"
  }
}