curl --request GET \
  --url 'https://memberkit.com.br/api/v1/rankings?api_key='

[
  {
    "position": 123,
    "score": 123,
    "user": {
      "id": 123,
      "full_name": "<string>",
      "email": "[email protected]",
      "profile_image_url": "<string>",
      "sign_in_count": 123,
      "current_sign_in_at": "2023-11-07T05:31:56Z",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  }
]