In case you are employing a articles management process (CMS) or some other person is taking care of your site, inquire them that may help you. Make sure to forward any Research Console message that details The difficulty to them. Answer - The customization of JSON-LD is not difficult and https://thesocialdelight.com/story4142613/the-fact-about-json-schema-not-null-validation-that-no-one-is-suggesting