Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAHRBAw5zNKo93qjyQvb+l6wNU5HchYcIUpg4QnONSn5lz7pwiXwrFCXH/t… (1,748 chars)"
  }
}