Exactly how you would process the thumbnail data to display it to the end-user would depend on a number of things, such as where you're running your code and what language you're using, for instance.
You didn't mention exactly where you're running this or what you're using, but if you're referring to using JavaScript in the front-end in the browser, you might want to use `createObjectURL` to get a local URL from a blob of the data, for instance.
