Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCRBI8py3MqY/sd6ix2Qm7FAM4XVoRaIgO87E4mUEQtGmdPfW0J7Rc07s9Z… (1,748 chars)"
  }
}