Example XML Request
<request>
<procedure>
<execute namespace="SharePoint2007Provider" procedure="SetListPermissions" impersonate="1">
<executeData>
<target>http://WSSFE:8080</target>
<siteGUID>d454e032-7341-46cf-a4b3-badc61f2a5ea</siteGUID>
<subSiteGUID>9c05e9c5-812c-4162-90cd-2ef24862730e</subSiteGUID>
<name>Announcements</name>
<permissions>
<users>
<user loginName="Fabrikam\Administrator" roleBindings="Administrator" />
</users>
<groups>
<group groupName="SPNSTestGroup" roleBindings="Administrator" />
</groups>
</permissions>
</executeData>
</execute>
</procedure>
</request>