[{
    "link": "\/dashboard",
    "icon_class": "fa fa-cogs",
    "title": "Dashboard"
}, {
    "dropdown": true,
    "divider": "Manage Book",
    "icon_class": "fa fa-cogs",
    "dropdown_title": "Book",
    "dropdown_content": {
        "account": {
            "link": "\/book",
            "title": "Book"
        },
        "accountswitch": {
            "link": "\/book\/category",
            "title": "Book Category"
        }
    }
}]