Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwJIO4e17qnzo5GIKxlTkfC6YeyH2IHBnuB6T3PqNgtjUkW3xgMRvyGnj/5T… (844 chars)"
  }
}