logging messages in json format.
$ py main.py
{"msg": "message", "payload": {"key": "value", "_key": "_value"}, "timestamp": "1624308369"}
[INFO] [main.py] [21/06/2021 11:46:09 PM] [__main__] {"msg": "message", "payload": {"key": "value", "_key": "_value"}, "timestamp": "1624308369"}