{"id":"seikan","slug":"seikan","canonical_name":"seikan","entity_type":"individual","schema_org_type":"Person","canonical_url":"https://ida.washinmura.jp/seikan","sameAs":["https://twitter.com/mjk5smae","https://youtu.be/C4Q4stBBIlg?si=YohXu8QjIGmGsJvG"],"public_ids":{},"verified":true,"last_updated":"2026-05-18T22:55:57.597Z"}