Roles and menus JSON data using flat structure

roles_menus_flat.json

{
    "roles": ["managers", "operators", "admin"],
    "menus" : [
        {
            "id": "1",
            "name": "WM Menu",
            "icon": "icon 1",
            "routeLink": "",
            "parentId": null
        },
        {
            "id": "2",
            "name": "Inbound",
            "icon": "icon 2",
            "routerLink": "",
            "parentId": "1"
        },
        { 
            "id": "3",
            "name": "ASN",
            "icon": "icon 3",
            "class": "class 3",
            "routeLink": "/asn",
            "parentId": "2"
        },
        {
            "id": "4",
            "name": "Outbound",
            "icon": "icon 3",
            "routeLink": "",
            "parentId": "1"
        },
        {
            "id": "5",
            "name": "Shipments",
            "icon": "icon 3",
            "routeLink": "/shipments",
            "parentId": "4"
        }
    ]
}