aeson-schemas-1.4.0.0: examples/input.json

{
    "users": [
        {
            "id": 1,
            "name": "Alice",
            "age": 30,
            "enabled": true,
            "groups": [
                {
                    "id": 1,
                    "name": "admin"
                }
            ]
        },
        {
            "id": 2,
            "name": "Bob",
            "age": null,
            "enabled": false,
            "groups": null
        },
        {
            "id": 3,
            "name": "Charlie",
            "age": 25,
            "enabled": true,
            "groups": [
            ]
        },
        {
            "id": 4,
            "name": "Darlene",
            "age": 40,
            "enabled": true,
            "groups": [
                {
                    "id": 2,
                    "name": "groupA"
                },
                {
                    "id": 3,
                    "name": "groupB"
                }
            ]
        }
    ]
}