public void GetLedsOfGroup(HttpContext context, string groupId)
        {
            int       id        = ApiBase.ParseId(groupId);
            GroupLeds groupLeds = _groupHandler.GetGroupLeds(id);
            string    json      = JsonSerializer.SerializeJson(groupLeds);

            context.Response.Payload.Write(json);
            context.Response.Status = HttpStatus.OK;
        }