Example XML Request
<request>
<procedure>
<execute namespace="SharePoint2007Provider" procedure="RemoveUserFromWeb" impersonate="1">
<executeData>
<target>http://WSSFE:8080</target>
<siteGUID>26adf82c-4a31-4335-90ec-973d6c13d58c</siteGUID>
<subSiteGUID>3074ced5-e37f-4069-947b-753f82b7e02d</subSiteGUID>
<userLoginName>Fabrikam\SPNSUser</userLoginName>
</executeData>
</execute>
</procedure>
</request>