Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGGFx4LBpjh+PQO9e9z87+UtInG4tGTq8sPSVtjzkD/xFORLXdlEn3S6XWq… (1,748 chars)"
  }
}