Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDVlQ5DkLsrXeMiXNS8PksvrtITz21ooaIBzZIz/7G73AnXzsz8p4fn+qn8… (1,748 chars)"
  }
}