Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBayMc7HUGJLcY3tC/BG4ruAJZYtqU9RpbuQ/Q7BEn1pn06W2tpb5m/rKE+… (1,748 chars)"
  }
}