device.json

{

    "data": [
        {
            "attributes": {
                "code": "001",
                "created_at": null,
                "last_pos": [
                    103.20172280073166,
                    -36.36761268401616
                ],
                "last_pos_time": null
            },
            "id": "eb11a8e668d611e7b2410026c7dd3d2c",
            "relations": { },
            "type": "foo:device"
        },
        {
            "attributes": {
                "code": "002",
                "created_at": null,
                "last_pos": [
                    -61.44119828939438,
                    71.39770497403292
                ],
                "last_pos_time": null
            },
            "id": "eb11c89e68d611e7b2410026c7dd3d2c",
            "relations": { },
            "type": "foo:device"
        }
    ]

}