Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF0vb3I4RURnRs3HQreWk2vJIykUd4Kk5gEfXaK7UX15Ab3PLpAFApEHOd/… (1,748 chars)"
  }
}