Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEBKBVbK7k7b2ZVfYFsgjBUJHMxT+DzAZwxLsXFcxtk+Van1s5wQkiHOhei… (844 chars)"
  }
}