execute_command

# File actioncable/lib/action_cable/connection/subscriptions.rb, line 13
      def execute_command(data)
        case data['command']
        when 'subscribe'   then add data
        when 'unsubscribe' then remove data
        when 'message'     then perform_action data
        else
          logger.error "Received unrecognized command in #{data.inspect}"
        end
      rescue Exception => e
        logger.error "Could not execute command from #{data.inspect}) [#{e.class} - #{e.message}]: #{e.backtrace.first(5).join(" | ")}"
      end