Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQElaA1ZhuWTSg0kBcGqYMbTH/Aqj82GuKbCPeTC1mF1RGw7Uzs0WxdyffMv… (1,748 chars)"
  }
}