Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHHFS3TtXH7sth+6vbt8WtSFa/OIXbLiuhLsj9KzKb47Sn9YrJOP3drPZHD… (1,748 chars)"
  }
}