dispatch_action

# File actioncable/lib/action_cable/channel/base.rb, line 280
        def dispatch_action(action, data)
          logger.debug action_signature(action, data)

          if method(action).arity == 1
            public_send action, data
          else
            public_send action
          end
        rescue Exception => exception
          rescue_with_handler(exception) || raise
        end