Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDClBmp6dUDsx5+0ox+tpZJ/FGhWwl0TJDzanDPUVniviRLsNf8GKZS9/cj… (1,748 chars)"
  }
}