curl --location --request POST 'https://saas-open.vhall.com/v3/users/user/change-user-power' \
--header 'platform;' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'v_user_id=185412162' \
--data-urlencode 'is_child=1' \
--data-urlencode 'assign=0' \
--data-urlencode 'app_key=' \
--data-urlencode 'sign_type=' \
--data-urlencode 'signed_at=' \
--data-urlencode 'sign='
{
"code": 0,
"msg": "string",
"data": {}
}