[
  {
    "category": "Cat 1",
    "questions": [
      {
        "points": 100,
        "question": "q1",
        "answer": "a1"
      },
      {
        "points": 200,
        "question": "q2",
        "answer": "a1"
      }
    ]
  },
  {
    "category": "Cat 2",
    "questions": [
      {
        "points": 100,
        "question": "q21",
        "answer": "a1"
      },
      {
        "points": 200,
        "question": "q22",
        "answer": "a1"
      }
    ]
  }
]