vertical-cooperative/easy_my_coop/wizard/validate_subscription_request.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <record id="view_validate_subscription_request" model="ir.ui.view">
        <field name="name">Validate subscription request</field>
        <field name="model">validate.subscription.request</field>
        <field name="arch" type="xml">
            <form string="Validate the subscription request">
                <p class="oe_grey">
                    Validate the subscription request.
                </p>
                <footer>
                    <button name="validate" string="Validate" type="object"
                            class="btn-primary"/>
                    <button string="Cancel" class="btn-default"
                            special="cancel"/>
                </footer>
            </form>
        </field>
    </record>

    <act_window id="action_account_invoice_confirm"
                multi="True"
                key2="client_action_multi" name="Validate subscription request"
                res_model="validate.subscription.request"
                src_model="subscription.request"
                view_mode="form" target="new" view_type="form"/>

</odoo>