message: JAAA: Your approval is required: Payment of 123 bytes from d to AGFB2ZNL4GEO2GEY4YSKNZX6U7XUGGPG initiated by MYESSCFGDERS3YIEGNZDOG2BI5HKQHLU(1), please send me back the pay_id linked to validate the transaction. And add a 'cancel = true' field to refuse it.