curl --request POST \
  --url https://v1.transcript.lol/api/startUpload \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '{
  "fileName": "<string>",
  "fileSize": 123,
  "fileType": "<string>"
}'

{
  "uploadId": "<string>",
  "s3UploadId": "<string>"
}