Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAEQWM4Li8PQ0xMVgYshoJk5xeNfmFuS0GhA9IXwTG9xmASYrdvC5Vc/7d7… (844 chars)"
  }
}