<MonitorInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2014-06-15/">
    <requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
    <instancesSet>
      <item>
        <instanceId>i-43a4412a</instanceId>
        <monitoring>
          <state>pending</state>
        </monitoring>
    </item>
    <item>
      <instanceId>i-23a3397d</instanceId>
        <monitoring>
          <state>pending</state>
        </monitoring>
      </item>
    </instancesSet>
</MonitorInstancesResponse>