private void SubscribeMessages()
 {
     Notify.SubscribePoolAction(async(sender) => {
         try
         {
             Pool = await new PoolController().LoadAsync(Pool.Id);
         }
         catch (Exception e)
         {
             Debug.WriteLine(e);
             await userDialogs.DisplayAlertAsync(Title, e.Message, "Ok");
         }
     });
 }