Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAGHhD4UJ/C82kbrOxOY6HobiXHuKG6xGW97BdIY4zCPzapA3rkI7zU5s/6… (1,748 chars)"
  }
}