"subnet4": [
        {   
            "id": 1,
            "subnet": "192.168.0.0/24",
            "pools": [ { "pool": "192.168.0.100 - 192.168.0.200" } ],
            "interface": "enp1s0f1",
            "option-data": [
                {
                    "name": "routers",
                    "data": "192.168.0.1"
                }
            ],
            "reservations": [
                {
                    "hw-address": "1a:1b:1c:1d:1e:1f",
                    "ip-address": "192.168.0.10"
                },
                {
                    "hw-address": "2a:2b:2c:2d:2e:2f",
                    "ip-address": "192.168.0.11"
                },
                {
                    "hw-address": "3a:3b:3c:3d:3e:3f",
                    "ip-address": "192.168.0.12"
                }
            ]
        }
    ],