Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHpiIbMFQ2sE1yM95xqE/TjxkpbrQRSagK0w3VDzdudXhd/KHGM3tfozXnJ… (1,748 chars)"
  }
}