Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDo/qp3ZBOkXM6nhQqGPmsGV70tu+RhL7oxhqCxWOEfuy5boAuMyXXE7NyN… (1,748 chars)"
  }
}