Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAva9Ofe5cv+lhjIfkauJc7WIYw4fWGzqhijv0P1+MhCVCQPpPGWrJE1ZlT… (1,748 chars)"
  }
}