ServiceNow OOB cart API Rest Message to create catalog item

https://dev.service-now.com/api/sn_sc/servicecatalog/items/{sys_id}/order_now
 JSON Body
{
        'sysparm_id': 'Catalog Item SYSID',
        'sysparm_quantity': '1',
        'variables':{
        'u_requested_for': '653387401b614110b3a397522a4bcb74',
        'u_who_s_access_can_we_miror': '',
        'selected_applications':'test',
'lynx':'true'
        }