Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGHvpvjNoAhMfzNW4bkGy/E4kZVNpzXtRkza6Tvj0iYJVdEkkIhUxBV9JWX… (844 chars)"
  }
}