{
  "manageEntity": {
    "action": "Update",
    "entityId": "896554828",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":896554828,\"description\":\"Mercy purifies the Earth. \\nThat Bird is soaring through the Sky with the Thunderstorm !\\n\\n慈悲は地球を浄化する。\\nあの鳥は雷雨と共に、\\n空高く舞い上がっている！\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Techno\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Sophisticated\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-03-30T14:30:17.000Z\",\"tags\":\"raw,harddance,newage,nature\",\"title\":\"Thunder Bird K. 1\",\"duration\":318,\"audio_upload_id\":\"8f9aa61283f079bf223db34c9614a09f\",\"track_cid\":\"baeaaaiqsec2ocog3bxxah427gdev24uvsimrxute6vfg3zxcmgtqxkyymhmio\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseawbbanioqgxomxxmka65riqwvhadfnuucxhzdo2wvfhiyrgj4sjg\",\"orig_filename\":\"Thunder Bird K. 1.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":144,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":334539}}",
    "nonce": "0xb2d3c6b3b0677c5f4a6816d424d1086f060d72618ea63cb26f062414db0fcf1f",
    "signature": "0xd6e53ca497c0d7088ab035ff564dfb587652a967584b3e06edf1e2b95a257f7404b1978b067b94f86372e8b484c76f755ff712dee1c05c84748fcff56640612d1b",
    "signer": "0xbe465AA25655a6E6b63480fC80284D554EcB33eA",
    "userId": "334539"
  }
}