jira_import_issue.json

{
    "projects": [
        {
            "name": "Sample data",
            "key": "SAM",
            "issues": [
                {
                    "status" : "Open",
                    "reporter" : "admin",
                    "summary" : "Parent case",
                    "externalId": "1",
                    "comments": [
                        {
                            "body": "This is a comment from admin 5 days ago",
                            "author": "admin",
                            "created": "2012-08-31T17:59:02.161+0100"
                        },
                        {
                            "body": "This is a comment from admin 1 day ago",
                            "author": "admin",
                            "created": "2012-08-31T17:59:02.161+0100"
                        }
                    ]
                }
            ]
        }
    ]
}