curl --location --request POST 'https://saas-open.vhall.com/v3/webinars/manage/qa' \
--header 'platform;' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'webinar_id=' \
--data-urlencode 'email=' \
--data-urlencode 'name=' \
--data-urlencode 'app_key=' \
--data-urlencode 'sign_type=' \
--data-urlencode 'signed_at=' \
--data-urlencode 'sign='
{
"code": 0,
"msg": "string",
"data": {
"page_url": "string"
},
"request_id": "string"
}