User <x id="START_LINK" ctype="x-a" equiv-text="<a (click)="markAsRead(notification)" [routerLink]="notification.registrationsUrl">"/><x id="INTERPOLATION" equiv-text="{{ notification.registration.username }}"/><x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/> wants to register on your instance
If you remove this user, you won't be able to create another user or channel with <strong><x id="PH" equiv-text="user.username"/></strong> username!