curl --location --request POST 'https://saas-open.vhall.com/v3/data-center/webinar/online-top-number' \
--header 'platform;' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'webinar_id=509154312' \
--data-urlencode 'app_key=' \
--data-urlencode 'sign_type=' \
--data-urlencode 'signed_at=' \
--data-urlencode 'sign='
{
"msg": "操作成功!",
"code": 200,
"data": 6,
"request_id": "badb8e9a432446df9237d4c3171b8480.22164.17497106256035399"
}