When signing in to Microsoft, going into marketplace, or any marketplace related activities, it takes too much time to load. Also opening settings takes too much time to load when offline, skins also takes too much time too load. Everything after 1.21.90.23
This issue is being tracked at MCPE-218709. Also, please note that you currently have your email address as your username. If that is not intentional, please change it here:
https://report.bugs.mojang.com/servicedesk/customer/user/profile