<?xml version="1.0"?>
<wse:Subscribe
  xmlns:wse='http://schemas.xmlsoap.org/ws/2004/08/eventing'
  xmlns:wsa='http://schemas.xmlsoap.org/ws/2004/08/addressing'
  xmlns:ew='http://www.example.com/warnings'>
  <wse:Delivery>
    <wse:NotifyTo>
      <wsa:Address>
              http://www.example.com/MyEventSink/OnStormWarning
      </wsa:Address>
      <wsa:ReferenceProperties>
        <ew:MySubscription>2597</ew:MySubscription>
      </wsa:ReferenceProperties>
    </wse:NotifyTo>
  </wse:Delivery>
</wse:Subscribe>