Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCM1rBUzfaI9/UiSXZ4akE5dq8ZPv+ADK1dV8YK4fQRfByjJMhVAscT+h44… (1,748 chars)"
  }
}