Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDBhGgHJ4YpKg1Sgrjz3y83qJbh5BMQ7GVIo5AUIi16CFE6WXjZ5T6g3Mzz… (1,748 chars)"
  }
}