{
  "id_transaccion": 0,
  "method": "cancelarCFDI",
  "cuenta": "demo",
  "user": "administrador",
  "password": "Administr4dor",
  "cancelaciones": [
    {
      "uuid": "FF70719D-5637-43CE-B837-0E966F7FA0CB",
      "Motivo": "01",
      "FolioSustitucion": "FF70719D-2222-43CE-B837-0E966F7FA0CB"
    }
  ]
}