Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEaO8j2AQk+bYpP/dWQsrJ+jafSfeV54bRHY+XVwtE+VRsUbilyQ5TOVLn+… (1,748 chars)"
  }
}