<?xml version="1.0"?>
<!-- example from ST24 doc -->
<methodCall>
    <methodName>topUpRequest</methodName>
    <params>
        <param>
            <value>
                <struct>
                    <member>
                        <name>MSISDN</name>
                        <value><string>0818111222</string></value>
                    </member>
                    <member>
                        <name>REQUESTID</name>
                        <value><string>123456</string></value>
                    </member>
                    <member>
                        <name>PIN</name>
                        <value><string>6633</string></value>
                    </member>
                    <member>
                        <name>NOHP</name>
                        <value><string>0818111333</string></value>
                    </member>
                    <member>
                        <name>NOM</name>
                        <value><string>XR10</string></value>
                    </member>
                </struct>
            </value>
        </param>
    </params>
</methodCall>