Add only title, because this page has everything ready.
Click icon in the top right corner to open the Page settings
Enter subscribe in Page URL setting input!
Click the Template selector and choosethe Subscribe option
Click Publish
Notice
The text inside the notice is the text that you add in the Display notice at signup Portal setting. This feature allows you to include custom text and links to policies that should be displayed at the time of signup, to prompt agreement to your terms of service, or other policies.