--> keys <-- idretiro : 100||--> fields <-- fecha_emision (new)  : 2023-05-02 11:02:07||tipo_comprobante (new)  : 21||importe_pesos (new)  : -100.00||motivo (new)  : cuota bomberos||usr_conexion (new)  : denise||id_medpago (new)  : 1