public async Task PushUserNotification(ActivityTemplateDTO activityTemplate, string subject, string message)
        {
            var notificationMsg = new NotificationMessageDTO
            {
                NotificationType = NotificationType.TerminalEvent,
                Subject          = subject,
                Message          = message,
                ActivityName     = activityTemplate.Name,
                ActivityVersion  = activityTemplate.Version,
                TerminalName     = activityTemplate.Terminal.Name,
                TerminalVersion  = activityTemplate.Terminal.Version,
                Collapsed        = false
            };

            await _hubCommunicator.NotifyUser(notificationMsg);
        }