Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQGZWbkKwaidkXQNWK7MtNmASQcxyueb/pIwdKvOTeNVQjt1nKfDhTO2lxD/… (1,748 chars)"
  }
}