Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH0C2Vq3/QeFyPX4MifVxEkabPchhlAed7XMZ2Nj/nFJ2uPkSA8OXkVf98M… (1,748 chars)"
  }
}