Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAoTW7zE2fkQOH71M3GBGy6Vi57XYvBr/vPN9Ehv0Xs4y2+MwBNVqeOmhg/… (1,748 chars)"
  }
}