public async Task <IActionResult> ExportAsset(string id, string driveName = null)
 {
     try
     {
         var fileObject = _manager.Export(id, driveName);
         return(File(fileObject.Result?.Content, fileObject.Result?.ContentType, fileObject.Result?.Name));
     }
     catch (Exception ex)
     {
         return(ex.GetActionResult());
     }
 }