public void fromJson(JSONObject jsonObject) throws JSONException {
    if (null == jsonObject) {
      return;
    }

    JSONArray subItemArray;
    CONTENT content = new CONTENT();
    content.fromJson(jsonObject.optJSONObject("content"));
    this.content = content;

    this.uid = jsonObject.optInt("uid");

    this.sid = jsonObject.optString("sid");

    this.ver = jsonObject.optInt("ver");
    return;
  }