Endpoints for getting and setting license information
GET /api2/system/license
adminPOST /api2/system/license
admin
{
"customer": "Saro",
"customer_mail": "rosario.contarino@profitap.com",
"model": "x2-3200g",
"pn": "X2-3200G-32-AC",
"sn": "X2-32-01001",
"start_date": 1552867200,
"end_date": null,
"mac": "6c:ec:5a:08:5b:3d",
"port_license": "full" / "half",
"feature_license": "full" / "gtp" / "dedup" / "advanced" / "normal"
}