{"copyright_id":"0x5158f1cd06e98ddf504ee5814bc52a9571b76f2b4fb1a5e690a8df22335a16af","isrc":"JPI291208901","name":"子犬のワルツ","registered_at":"2026-07-31T13:21:10Z","spotify_id":"6iWPtai4hvzlSQwrNFqh6s","type":"track"}