LoadsUpdate

{
    "rooms": [
        {
            "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
            "name": "string",
            "type": "hallway",
            "loads": [
                {
                    "type": "custom",
                    "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
                    "name": "string",
                    "powerW": 0,
                    "phases": "single_phase"
                }
            ]
        }
    ]
}