Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC3sT1U9aor62XV19Dw+2FuvZAfgmTKhft+aIwA6i6BziM+5KVHS5G0/YE6… (1,748 chars)"
  }
}