This is not possible in Cloud. Best thing you can do will be to add those default watchers into a group or project role and use it directly in the notification scheme. They won't be able to unsubscribe (stop watching) on selected issues in that case though.
Hello, Community! My name is Gosia and I'm a Product Manager on Jira Server and Data Center here at Atlassian. Since 2002 when we launched our public issue tracker, jira.atlass...
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