[
  {
    "id": 1,
    "case_id": "CASE-001",
    "count": 50,
    "activities": ["Task A", "Task B", "End"]
  },
  {
    "id": 2,
    "case_id": "CASE-002",
    "count": 30,
    "activities": ["Task A", "End"]
  }
]