Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCZ5TVpT3kg1OrYplcDvCPWPD7BO6CEAUiy+GNYWSYlJlbtxZS9Yw1iGAep… (1,748 chars)"
  }
}