<s:Envelope xmlns:s="http://www.w3.org/2003/05/soap-envelope"
    xmlns:a="http://www.w3.org/2005/08/addressing"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2"
    xmlns:ihe="urn:ihe:iti:dsub:2009"
    xsi:schemaLocation="http://www.w3.org/2003/05/soap-envelope http://www.w3.org/2003/05/soap-
    envelope http://www.w3.org/2005/08/addressing http://www.w3.org/2005/08/addressing/ws-addr.xsd
    http://docs.oasis-open.org/wsn/b-2 http://docs.oasis-open.org/wsn/b-2.xsd">
    <s:Header>
        <a:Action>http://docs.oasis-open.org/wsn/bw-
            2/SubscriptionManager/UnsubscribeRequest</a:Action>
        <a:MessageID>382dcdc9-8e86-9fde-8445-48fd83bca93a</a:MessageID>
        <a:To>https://NotificationBrokerServer/Subscription/</a:To>
        <ihe:SubscriptionId a:IsReferenceParameter="true">382dcdc7-8e84-9fdc-8443-48fd83bca938</ihe:SubscriptionId>
    </s:Header>
    <s:Body>
        <wsnt:Unsubscribe/>
    </s:Body>
</s:Envelope>