curl --request GET \
  --url https://ninjachat.ai/api/v1/sessions/{id} \
  --header 'Authorization: Bearer <token>'

{
  "session_id": "<string>",
  "messages": [
    {
      "role": "system",
      "content": "<string>"
    }
  ],
  "message_count": 123,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}