Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCiW/u9zejEBM0PySaYCd49GwDdLknWOuwp8NhGRG5q710KZn+G6N7t9gC7… (1,748 chars)"
  }
}