contactAnonymize

<soapenv:Envelope
    xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
    xmlns:ecm="http://ecircle.com/developer/ecmapi">
    <soapenv:Header/>
    <soapenv:Body>
        <ecm:contactAnonymize>
            <contactId>3769711</contactId>
            <notificationRecipient>john.smith@mapp.com</notificationRecipient>
        </ecm:contactAnonymize>
    </soapenv:Body>
</soapenv:Envelope>