Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAVZGwsCBSa2Pjv37/VfcmkL+5xcDSt4HyOCUQ4Eaf2enYhyhj9QNn6Yzng… (1,748 chars)"
  }
}