public IActionResult CreateMusicOwnerShip([FromBody] CreateMusicOwnerShipCommand command) { var musicCheck = musicService.GetMusicWithIdAndUserId(command.MusicId, command.UserId); if (musicCheck != null) { return(Ok(new { CheckExist = true })); } else { musicService.CreateMusicOwnerShip(command.MusicId, command.UserId); return(Ok(new { CheckExist = false })); } }