Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAlhElbeVv/jotRWbOOPQpCEO3qerPvQfH5JlWxXeoWMw9Yi8G2t+HAc9s/… (1,748 chars)"
  }
}