<data priority="50">
    <xpath expr="//div/span[@t-field='doc.note']" position="after">
        <t t-if="not is_html_empty(doc.user_id.signature)">
            <br/><br/>
            <t t-out="doc.user_id.signature or ''">Mitchell Admin</t>
        </t>
    </xpath>
</data>
