public static ModNetworkContent FromSteamId(ulong contentId, Guid gameId)
        {
            var contentIdStr = contentId.ToString();
            var content      = new ModNetworkContent(contentIdStr, gameId)
            {
                Id = contentId.CreateSteamContentIdGuid()
            };

            content.Publishers.Add(new ContentPublisher(Publisher.Steam, contentIdStr));
            return(content);
        }