test1.json

{
    "cities": [
        {
            "id": 1,
            "name": "Cape Town"
        {
            "id": 2,
            "name": "Johannesburg",
            "mall": [
                {
                    "id": 3,
                    "name": "Mall of Africa",
                    "shops": [
                        {
                            "id": 5,
                            "name": "Woolworths"
                        },
                        {
                            "id": 6,
                            "name": "Pick n Pay"
                        }
                    ]
                },
                {
                    "id": 4,
                    "name": "Menlin Main",
                    "shops": []
                }
            ]
        },
        {
            "id": 3,
            "name": "Durban",
            "malls": []
        },
        {
            "id": 4,
            "name": "Port Elizabeth",
            "malls": [
                {
                    "id": 7,
                    "name": "Green Acres",
                    "shops": [
                        {
                            "id": 13,
                            "name": "Clicks"
                        },
                        {
                            "id": 14,
                            "name": "Spar"
                        }
                    ]
                },
                {
                    "id": 8,
                    "name": "Baywest Mall",
                    "shop": [
                        {
                            "id": 15,
                            "name": "Checkers"
                        },
                        {
                            "id": 16,
                            "name": "Clicks"
                        }
                    ]
                }
            ]
        },
        {
            "id": 5,
            "name": "Bloemfontein"
        }
    ]
}