Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCFjjLqt3tOgCcJ91wInWuF/hJpVa12Ms/IqRQsN4ETImqrQ+0Vh5hdRzHh… (1,748 chars)"
  }
}