Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCVZMyjLkGQ1ZmyqU5yrap2Rm4rhO2j4mO1TfzSPIARx0/tK8R0YYi5VYI/… (1,748 chars)"
  }
}