Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEtZaZQfAjsB8zKwXv2+/yPrXl0tXTSG6PRP6hmRFjAvCFmUgFNt9uWx3W+… (1,748 chars)"
  }
}