Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFzw5w3Fg44kEzXUPkDYOn1QgP2HSNov/h1qVlIwsqfzRkCM1wd6FF8vhGL… (1,748 chars)"
  }
}