{
    "stringID": null,
    "fieldNames": [
        "SMID",
        "SMUSERID",
        "SMLENGTH",
        "SMTOPOERROR",
        "SMGEOPARAM"
    ],
    "geometry": {
        "center": {
            "x": 116.78237310643445,
            "y": 40.50502214665317
        },
        "parts": [4],
        "style": null,
        "prjCoordSys": null,
        "id": 20,
        "type": "LINE",
        "partTopo": null,
        "points": [
            {
                "x": 116.74979177939029,
                "y": 40.48274536439964
            },
            {
                "x": 116.7725169973393,
                "y": 40.49681241370946
            },
            {
                "x": 116.78237310643445,
                "y": 40.50502214665317
            },
            {
                "x": 116.79352742467955,
                "y": 40.51524822481686
            }
        ]
    },
    "fieldValues": [
        "20",
        "10",
        "5194.475202434378",
        "0",
        ""
    ],
    "ID": 20
}