Tracking.log is not update

Hi all,
Log file is not update for analytics.
root@open-edx:~# vi /edx/var/log/tracking/tracking.log
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{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T05:50:01.851916+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T05:55:02.591354+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:00:03.168562+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:05:03.747466+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:10:04.438628+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:15:00.112388+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:20:00.694278+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:25:01.297256+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:30:01.908000+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:35:02.668327+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:40:03.290646+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:45:03.886109+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:50:04.488400+00:00”, “page”: null}
{“username”: “”, “event_type”: “/notifier_api/v1/users/”, “ip”: “127.0.0.1”, “agent”: “python-requests/2.8.1”, “host”: “localhost”, “referer”: “”, “accept_language”: “”, “event”: “{“POST”: {}, “GET”: {“page”: [“1”], “page_size”: [“10”]}}”, “event_source”: “server”, “context”: {“user_id”: null, “org_id”: “”, “course_id”: “”, “path”: “/notifier_api/v1/users/”}, “time”: “2019-09-29T06:55:00.231644+00:00”, “page”: null}
@
“/edx/var/log/tracking/tracking.log” 1959L, 895250C

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How can i solve it.Please help me :cry: