def perform(klass, id, event)
      "#{klass}_notifier".classify.constantize.create_notification(id: id, event: event.to_sym)
    end
def perform(klass, id, event)
      "#{klass}_notifier".classify.constantize.create_notification(id: id, event: event.to_sym)
    end
TODO This is tricky. Event is string here. Is transformed in
 event_subscriber from sym to string. we transform here egain to
 sym. Rethink this
 or user.notify....