Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwKMkvYpAPHrGw6/JVVgG0eGz6Rs2fFMDYTzEfIsKMa0CgjY6w+ZYLqL+CQ7… (844 chars)"
  }
}