Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFN4itvlhM+bIz8NG33i7+VmrEK7sa4j5YPeZSK3NoBuE/YRKkxHKpDs1Xm… (1,748 chars)"
  }
}