{"copyright_id":"0xc11cc0bf85f5541c17b20578e15b27204ba443ff7e053110f503d9b7e5594072","isrc":"JPU902200004","name":"鉄血†Gravity","registered_at":"2026-06-23T01:56:15Z","spotify_id":"68EgYrRCPb0SkulBJQIZOB","type":"track"}