You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: [email protected]
Rules:
Be civil and nice.
Try not to excessively repost, as a rule of thumb, wait at least 2 months to do it if you have to.
Lemmy world rate limiting me when trying to sign up and making me use a different instance seems to have saved me from this.