curl --location --request POST 'https://saas-open.vhall.com/v3/webinars/live/cancel-role' \
--header 'platform;' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'webinar_id=658171537' \
--data-urlencode 'email=1750686063@vhall.com' \
--data-urlencode 'app_key=' \
--data-urlencode 'sign_type=' \
--data-urlencode 'signed_at=' \
--data-urlencode 'sign='
{
"code": 200,
"msg": "",
"data": {},
"request_id": "ac199515-bd8a-44a1-82ad-c3915a679e28"
}