Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB/ROwYuPAOkQBxxFKo6JqaXjIjaiZ8pk+OUmaq8Ss/PwdWqfGt/CmC9M1x… (1,748 chars)"
  }
}