{
  "manageEntity": {
    "action": "Create",
    "entityId": "1105702302",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1105702302,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-10-06T12:43:36.000Z\",\"title\":\"アダムとイヴの性感帯\",\"duration\":200,\"audio_upload_id\":\"64596c46d38f20718025fd416da8603c\",\"track_cid\":\"baeaaaiqsedpehg3n6bkbxigipdljxg4bu3jckbcpap4xbv5acedajleuqou7u\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedl24h3vzpxxijmpyamlgj6ufv42bq6k2rpdqxp7bscqrqb5fckcg\",\"orig_filename\":\"アダムとイヴの性感帯.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":150,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":266636478,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedfvdb2cjgi4q4j7srfbqeqkraanxybuuhkg64kvo6znqxwhqmr6c\"}}",
    "nonce": "0xe464c074c3b3f2d4c79ab6cadb0d639b2318ab72a9e14053a2b2a53ba3e1cd9f",
    "signature": "0xcb2aebd4effd174b65d489f422e21f105bd01c5854ae35d0fe0219da92496efe1fd356d94c01047e743a599951f0bd5eeb67e978322634374dd7f61de815c0ae1c",
    "signer": "0x749c79C88202c35aEb047D355394D7bdeF1e960c",
    "userId": "266636478"
  }
}