{
  "manageEntity": {
    "action": "Update",
    "entityId": "135764243",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":135764243,\"owner_id\":266636478,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"collaborators\":[],\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-10-19T10:05:41.000Z\",\"title\":\"君の願いを叶えるために\",\"duration\":286,\"audio_upload_id\":\"6f76dd6110b58a32f38f00238c0483f8\",\"track_cid\":\"baeaaaiqsedlwc3qyqb7voyn6zldvau4ytm5ju3lvmxgqisilrmwhcg4gqckue\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedn7b2ogtnzdwodv3orvcz2wodul2nwwshnguaaz2lfmpxhj2khaq\",\"orig_filename\":\"君の願いを叶えるために.mp3\",\"is_downloadable\":true,\"is_original_available\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":121,\"is_custom_bpm\":false,\"musical_key\":\"A flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x25e66ce8c7c828f1bf6b7970026f4b7912e1b14714085df9f1a546dce5d028cb",
    "signature": "0xbe807d9133556202fb8861c9091fad74af8938019d2f3a1ecb66a20f920084381c3b0264f57678c89c7110dcfb765168868051f887fad6ea1100e1c38d0a83251c",
    "signer": "0x749c79C88202c35aEb047D355394D7bdeF1e960c",
    "userId": "266636478"
  }
}