Create a JSON file with notification data, and put it somewhere on your web server.This way we ensure that you are a server owner. For example if your server is www.example.com, you can put notify.json at the domain root so that it is visible as https://www.example.com/notify.json. The JSON file contains two pieces of information: notification title and corresponding link. The title cannot be more than 255 bytes long. Here is an example of a unforget notification file.
"title": "Check out our latest news!",