{  
    "nodes": [  
        {  
            "id": "MockFilter1",  
            "name": "模拟过滤器",  
            "children": [],  
            "parent": null,  
            "type": "device",  
            "class": "mock_filter",  
            "position": {  
                "x": 620.6111111111111,  
                "y": 171,  
                "z": 0  
            },  
            "config": {  
                "port": "MOCK"  
            },  
            "data": {  
                "status": "Idle",  
                "is_filtering": false,  
                "flow_rate": 0.0,
                "filter_life": 100.0,
                "vessel": "",
                "filtrate_vessel": "",
                "filtered_volume": 0.0,
                "target_volume": 0.0,
                "progress": 0.0,
                "stir": false,
                "stir_speed": 0.0,
                "temperature": 25.0,
                "continue_heatchill": false
            }  
        }  
    ],  
    "links": []  
}