Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBcpmymJhZ4XQ/H2WDW1cC/w2NwKofn57vrYJfjq8JKCj+P9JOQH0fgZh2h… (1,748 chars)"
  }
}