{
  "title": "継続率は8か月後も約半数、観察打切りを含めて推定",
  "subtitle": "架空サンプル｜サービス利用開始後の問い合わせ再発までの月数",
  "timeUnit": "か月",
  "subjects": [
    { "id": "case-001", "time": 1, "eventObserved": true },
    { "id": "case-002", "time": 2, "eventObserved": true },
    { "id": "case-003", "time": 2, "eventObserved": false },
    { "id": "case-004", "time": 3, "eventObserved": true },
    { "id": "case-005", "time": 4, "eventObserved": false },
    { "id": "case-006", "time": 5, "eventObserved": true },
    { "id": "case-007", "time": 6, "eventObserved": false },
    { "id": "case-008", "time": 7, "eventObserved": true },
    { "id": "case-009", "time": 8, "eventObserved": true },
    { "id": "case-010", "time": 8, "eventObserved": false },
    { "id": "case-011", "time": 10, "eventObserved": false },
    { "id": "case-012", "time": 12, "eventObserved": false }
  ]
}