<?xml version="1.0"?>
<s12:Envelope
  xmlns:s12='http://www.w3.org/2003/05/soap-envelope'
  xmlns:wsa='http://schemas.xmlsoap.org/ws/2004/08/addressing'
  xmlns:wse='http://schemas.xmlsoap.org/ws/2004/08/eventing'
  xmlns:ew='http://www.example.com/warnings'>
  <s12:Header>
    <wsa:Action>
        http://schemas.xmlsoap.org/ws/2004/08/eventing/Subscribe
    </wsa:Action>
    <wsa:MessageID>
        uuid:d7c5726b-de29-4313-b4d4-b3425b200839
    </wsa:MessageID>
    <wsa:ReplyTo>
      <wsa:Address>http://www.example.com/MyEventSink</wsa:Address>
    </wsa:ReplyTo>
    <wsa:To>http://www.example.org/oceanwatch/EventSource</wsa:To>
  </s12:Header>
  <s12:Body>
    <wse:Subscribe>
      <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>
  </s12:Body>
</s12:Envelope>