e about chunk usage and supported MIME types https://docs.microsoft.com/azure/cognitive-services/immersive-reader/reference#chunk
                        const data = {
                            title: $("#ir-title").text(),
                            chunks: [{
                                content: $("#ir-content").html(),
                                mimeType: "text/html"
                            }]
                        };

                        // Learn more about options https://docs.mi