gym payload

payload = {
                                "credential":
                                {
                                    "name": course_name,
                                    "description": description,
                                    "achievement_id": contents['course_id'] ,
                                    "course_link": "/courses/" +contents['course_id'] + "/about",
                                    "approve": approve,
                                    "template_name": course_name,
                                    "grade": grade_contents,
                                    "recipient": {"name": contents['name'],
                                    "email": student.email}
                                }
                            }