Activate scene based on countdown timer

{
    "collection_uuid": "8ec44fda-0c14-42b6-b4f3-dae62e245e85",
    "name": "Scene schedule",
    "type": "SCENE",
    "is_active": true,
    "devices": [
        {
            "dsn": "AC000W000456685",
            "product_name": "Ayla EVB2",
            "oem_model": "AylaShield",
            "lan_enabled": false,
            "connected_at": "2022-11-15T18:56:24Z",
            "connection_status": "Online",
            "states": [
                {
                    "property_name": "input",
                    "base_type": "integer",
                    "property_value": 1,
                    "property_end_value": 0
                },
                {
                    "property_name": "Blue_LED",
                    "base_type": "boolean",
                    "property_value": 1,
                    "property_end_value": 0
                },
                {
                    "property_name": "cmd",
                    "base_type": "string",
                    "property_value": "1",
                    "property_end_value": "2"
                }
            ]
        }
    ],
    "child_collections": [],
    "custom_attributes": {},
    "schedule": {}
}