<DescribeScalingActivitiesResponse xmlns="http://autoscaling.amazonaws.com/doc/2011-01-01/">
  <DescribeScalingActivitiesResult>
    <Activities/>
  </DescribeScalingActivitiesResult>
  <ResponseMetadata>
    <RequestId>67459b5a-9167-11e2-b1be-9d56e7e138d4</RequestId>
  </ResponseMetadata>
</DescribeScalingActivitiesResponse>