Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB02L6WoBRVpscKvziFS0hHe4GKZqx7OfJ70TYoQpiDnwMpK3JGZ9LmC0c2… (1,748 chars)"
  }
}