Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB+Q6kJSZuEAKJDGD4qtAZu+TEmNDtB/qWZY2MewWhoYi5MhFDC5Ws9bWNb… (1,748 chars)"
  }
}