Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD0zJhR9lANc5+bR8Gx5AyBf1h8S4k5yJu1mGYLOFp6Hm78eEWnVPXkcJk5… (1,748 chars)"
  }
}