Get all issue type schemes

{"isLast":true,"maxResults":100,"startAt":0,"total":3,"values":[{"id":"10000","name":"Default Issue Type Scheme","description":"Default issue type scheme is the list of global issue types. All newly created issue types will automatically be added to this scheme.","defaultIssueTypeId":"10003","isDefault":true},{"id":"10001","name":"SUP: Kanban Issue Type Scheme","description":"A collection of issue types suited to use in a kanban style project.","projects":{"isLast":true,"maxResults":100,"startAt":0,"total":1,"values":[{"avatarUrls":{"16x16":"secure/projectavatar?size=xsmall&pid=10000","24x24":"secure/projectavatar?size=small&pid=10000","32x32":"secure/projectavatar?size=medium&pid=10000","48x48":"secure/projectavatar?size=large&pid=10000"},"id":"10000","key":"EX","name":"Example","projectCategory":{"description":"Project category description","id":"10000","name":"A project category"},"projectTypeKey":"ProjectTypeKey{key='software'}","self":"project/EX","simplified":false}]}},{"id":"10002","name":"HR: Scrum issue type scheme","description":"","defaultIssueTypeId":"10004","issueTypes":{"isLast":true,"maxResults":100,"startAt":0,"total":1,"values":[{"description":"Improvement Issue Type","hierarchyLevel":-1,"iconUrl":"www.example.com","id":"1000L","name":"Improvements","subtask":true}]}}]}