Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDrgN1D2Jcn9Kq7t4xnn80QMJDHKcYCYGd0KpWGmn/8Xxo3jhJFq6f5JJtR… (1,748 chars)"
  }
}