Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC8UMWmjh6nNJGjDQSq6vwQCLj43/rQMCisL6eoD23Tlyty3FbKxBxaAht4… (844 chars)"
  }
}