Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBbZ/66jH7NY7Ifmq38D2llyc8ILzKhXpOyeFFLX1ORqFE6u4ecdv7+obC9… (1,748 chars)"
  }
}