Get all issue type schemes

{
  "maxResults": 100,
  "startAt": 0,
  "total": 3,
  "isLast": true,
  "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": {
        "maxResults": 100,
        "startAt": 0,
        "total": 1,
        "isLast": true,
        "values": [
          {
            "self": "project/EX",
            "id": "10000",
            "key": "EX",
            "name": "Example",
            "projectTypeKey": "ProjectTypeKey{key='software'}",
            "simplified": false,
            "avatarUrls": {
              "48x48": "secure/projectavatar?size=large&pid=10000",
              "24x24": "secure/projectavatar?size=small&pid=10000",
              "16x16": "secure/projectavatar?size=xsmall&pid=10000",
              "32x32": "secure/projectavatar?size=medium&pid=10000"
            },
            "projectCategory": {
              "id": "10000",
              "description": "Project category description",
              "name": "A project category"
            }
          }
        ]
      }
    },
    {
      "id": "10002",
      "name": "HR: Scrum issue type scheme",
      "description": "",
      "defaultIssueTypeId": "10004",
      "issueTypes": {
        "maxResults": 100,
        "startAt": 0,
        "total": 1,
        "isLast": true,
        "values": [
          {
            "id": "1000L",
            "description": "Improvement Issue Type",
            "iconUrl": "www.example.com",
            "name": "Improvements",
            "subtask": true,
            "hierarchyLevel": -1
          }
        ]
      }
    }
  ]
}