--> keys <-- idretiro : 29||--> fields <-- fecha_emision (new)  : 2023-02-08 11:21:28||tipo_comprobante (new)  : 21||importe_pesos (new)  : -3750.00||motivo (new)  : insumos medical||usr_conexion (new)  : denise||id_medpago (new)  : 1