Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBc+NScsO5aPSIe7fbVRr9PqKmhq7w830LDNp0hc7uJt3LeVuJ6Xfv5LsjC… (1,748 chars)"
  }
}