{
    "columns1": [{
        "title": "First name",
        "property": "firstName",
        "sortable": "asc",
        "searchable": true,
        "filterable": true
    },
    {
        "title": "Last name",
        "property": "lastName",
        "sortable": true,
        "searchable": true,
        "filterable": true
    },
    {
        "title": "Phone",
        "property": "phone",
        "searchable": true,
        "filterable": true
    }],
    "columns2": [{
        "title": "First name",
        "property": "firstName",
        "sortable": "asc",
        "searchable": true,
        "filterable": true
    },
    {
        "title": "Last name",
        "property": "lastName",
        "sortable": true,
        "searchable": true,
        "filterable": true
    }]
}