Content Fragments are quite useful and innovative as a method for content reuse within Adobe Experience Manager. What if you need the Content Fragment output as JSON? On the Adobe Experience Manager – CQ Tutorials blog they have an article called “AEM Content Fragment output as JSON” that explains the method by which you can make Content Fragments get output as JSON. While I can’t personally think of a business need for this, nonetheless this is how you do it. If you can think of a business requirement for this then let us know via email: firstname.lastname@example.org.