{
"sid": "string"
}
curl --location --request POST 'https://bit101.flwfdd.xyz/user/webvpn_verify_init' \
--header 'Content-Type: application/json' \
--data-raw '{
"sid": "string"
}'
{
"captcha": "string",
"cookie": "string",
"execution": "string",
"salt": "string"
}