[
  {
    "date": "2018-10-01",
    "interest": "事業持分80%",
    "usd_million": 14.4,
    "yen_at_current_fx": 2272680000.0,
    "source_id": "ac2019"
  },
  {
    "date": "2022-04-01",
    "interest": "残る持分",
    "usd_million": 5.0,
    "yen_at_current_fx": 789125000.0,
    "source_id": "ac2024b"
  }
]