Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGRpiWvSiPQHCbBEpFkPB/QIwcjUEC0SO1U0bur/6Nx4gztgzjGNUd5SLCd… (1,748 chars)"
  }
}