Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwILHt9EGT/7Jf3dsrSvGBacGjipd8lcQXt0meGw2xdZcE0aeHXz6ZN5+VeI… (844 chars)"
  }
}