params.har

{
    "log": {
        "entries": [
            {
                "index": 0,
                "request": {
                    "method": "POST",
                    "url": "http://test.loadimpact.com/path",
                    "httpVersion": "HTTP/1.1",
                    "postData": {
                        "mimeType": "application/x-www-form-urlencoded",
                        "params": [
                            {
                                "name": "login",
                                "value": "admin"
                            },
                            {
                                "name": "password",
                                "value": "123"
                            }
                        ]
                    }
                }
            }
        ]
    }
}