how to create rest api with set of json data in django code example

Example: Django application with User and ActivityPeriod models, write a custom management command to populate the database with some dummy data, and design an API to serve that data in the json format given above.

Django application with User and ActivityPeriod models, write
a custom management command to populate the database with some dummy data, and design
an API to serve that data in the json format given above.