social/mail_show_follower/views/res_users.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <record id="view_users_form_mail_show_follower" model="ir.ui.view">
        <field name="name">view.users.form.mail.show.follower</field>
        <field name="model">res.users</field>
        <field name="inherit_id" ref="base.view_users_form" />
        <field name="arch" type="xml">
            <xpath expr="//field[@name='signature']" position="before">
                <field name="show_in_cc" />
            </xpath>
        </field>
    </record>
</odoo>