Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFrUTl7lzK0i+DjqirNWPJ3IkTKHZL/6Bb8zZe6ItyyGxiEKBVzmZriYUe6… (844 chars)"
  }
}