Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDzrvGA9S+li4pCaRVdFAd/Kaibc6dXgARZTItmkLiTBAuzEkPYcxD3B9gj… (1,748 chars)"
  }
}