Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD/Q6T6DjHlWAeJu/xJJC8opNJK7XgGl8bFYVUEv2WJKhZoTiOGKSNc2ew/… (1,748 chars)"
  }
}