C++ json

• task.mmParcel = clip.HasMember("mmParcel") ? clip["mmParcel"].GetString() : "{}";

• task.duration = clip.HasMember("duration") ? clip["duration"].GetInt() : 0;

• task.userId = clip.HasMember("userUid") ? clip["userUid"].GetString() : "";

• task.plan = clip.HasMember("plan") ? clip["plan"].GetInt() : 1;

• task.startTime = clip.HasMember("startTime") ? clip["startTime"].GetInt64() : 0;