curl --request POST \
  --url https://video.bunnycdn.com/library/{libraryId}/videos/{videoId}/thumbnail \
  --header 'AccessKey: <api-key>' \
  --header 'Content-Type: application/octet-stream' \
  --data '"<string>"'

{
  "success": true,
  "message": "<string>",
  "statusCode": 123
}