curl --request POST \
  --url https://api.youka.io/api/v1/uploads \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "filename": "<string>",
  "contentType": "<string>",
  "contentLength": 123
}
'

{
  "inputFileId": "<string>",
  "uploadUrl": "<string>",
  "contentType": "<string>"
}