Newtonsoft-Linq Structured Data(Json-LD) for FAQ Pages

FAQ.cshtml

<script type="application/ld+json">
    @{
        JObject structuredData =
            new JObject(
                new JProperty("@context", "https://schema.org"),
                new JProperty("@type", "FAQPage"),
                new JProperty("mainEntity",
                    new JArray(
                        from item in questions
                        select new JObject(
                            new JProperty("@type", "Question"),
                            new JProperty("name", (string)(item.GetProperty("question").Value().ToString())),
                            new JProperty("acceptedAnswer",
                                new JObject(
                                    new JProperty("@type", "Answer"),
                                    new JProperty("text", (string)(item.GetProperty("answer").Value().ToString()))
                                    )
                                )
                            )
                        )
                )
         );
     }
    @Html.Raw(structuredData.ToString())
</script>