Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEOljkcIKm84Wzigbdo77p8YiWfSc/5LTM5PzzVw4LuYwZC6aT0kBuC+YZm… (1,748 chars)"
  }
}