Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAq6g74bUSIXw+jw+EHqM1T6YGLE3rvNfYdaRejpVmYQntIAdU6D/XEBvhF… (1,748 chars)"
  }
}