Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAmaPmZC/V8RleUuZUVTqmCShv3WIEQ47d88HrD8aqBwDzIJhIMF+vT/Xzb… (1,748 chars)"
  }
}