Get project issue security scheme

{"self":"https://your-domain.atlassian.net/rest/api/3/issuesecurityschemes/10000","id":10000,"name":"Default Issue Security Scheme","description":"Description for the default issue security scheme","defaultSecurityLevelId":10021,"levels":[{"self":"https://your-domain.atlassian.net/rest/api/3/securitylevel/10021","id":"10021","description":"Only the reporter and internal staff can see this issue.","name":"Reporter Only"}]}