challenges

Challenges

{
  "id":"<challenge_id>",
  "title": "Sherlock and Anagrams",
  "level": "Easy",
  "start_date": "10/05/2020",
  "end_date": "10/25/2020",
  "participants": [
    <user_object>,
    <user_object>
  ],
  "is_active": 1,
  "is_user_subscribed":1
}