Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEvfNMbBfVbUuRatjSzVPw/bIL4FV3fm4yKTTiuMQkuNhNqEHC7yhMK0vwX… (1,748 chars)"
  }
}