{
  "剛田タケシ": {
    "finisher": "ハンマーボム",
    "debut_year": 2005,
    "sources": [
      {
        "url": "https://example.com/roster/takeshi",
        "type": "official_profile",
        "provides": ["finisher"]
      },
      {
        "url": "https://example.com/news/takeshi-debut",
        "type": "news",
        "provides": ["debut_year"]
      }
    ]
  },
  "風間リュウ": {
    "finisher": "疾風スープレックス",
    "debut_year": 1998,
    "sources": [
      {
        "url": "https://example.com/news/ryu-retire",
        "type": "news",
        "provides": ["finisher", "debut_year"]
      }
    ]
  }
}