wxUserPortraitResponse

{
    "ref_date": {
        "key": 0,
        "value": 300
    },
    "visit_uv_new": {
        "key": 1,
        "value": 1
    },
    "visit_uv": {
        "key": 1,
        "value": 1
    },
    "errMsg": "openapi.analysis.getDailyRetain:ok"
}