{
  "manageEntity": {
    "action": "Update",
    "entityId": "489426537",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":489426537,\"owner_id\":1931557,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Pop\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Romantic\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-04-29T22:13:26.000Z\",\"title\":\"algorithm-border\",\"duration\":260,\"audio_upload_id\":\"aebf0c72d22ef07b7583b6ae44e28595\",\"track_cid\":\"baeaaaiqseadoqb37vjzkib3sc3qzgju7zoypz7ktp3wqykma4xhh7yhp2nbi2\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseacwy4qrhc5f35ygx7thtzolkzroyc4zvmczk6ss2iwha5wy6o6do\",\"orig_filename\":\"algorithm-border.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":120,\"is_custom_bpm\":false,\"musical_key\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0xacd6207bb1097ff4780c93145d3fe591ae93c8817cefd873354dfba06578a4bb",
    "signature": "0x43b71d4ffb43799f76b386d1408cfdb804f0b364082a51093736fea78758099e10e2d3d6770f88c9eb2cb3c0398a8a318eaee415607dbb13a36ecd9a1d7921e71c",
    "signer": "0x66C0920dcA0b918ab7d0c1A5d2251fa05C75EBBC",
    "userId": "1931557"
  }
}