Get device list based on stack keyword

{
    "requestid": "4f395abb53e82a1e1f57c7c86feb4cc4",
    "code": 200,
    "errmsg": null,
    "data": {
        "columns": null,
        "values": null,
        "results": [
            {
                "keyName": "*",
                "model": "魅族 M6",
                "osVersion": "Android 4.4.2,level 20",
                "crashNums": 4800,
                "crashUsers": 4800
            }
        ]
    },
    "cost": 0
}