instant-epp/tests/resources/request/extensions/rgp_restore_request.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<epp xmlns="urn:ietf:params:xml:ns:epp-1.0">
    <command>
        <update>
            <update xmlns="urn:ietf:params:xml:ns:domain-1.0">
                <name>eppdev.com</name>
                <chg></chg>
            </update>
        </update>
        <extension>
            <update xmlns="urn:ietf:params:xml:ns:rgp-1.0">
                <restore op="request"></restore>
            </update>
        </extension>
        <clTRID>cltrid:1626454866</clTRID>
    </command>
</epp>