{
  "manageEntity": {
    "action": "Update",
    "entityId": "1137925880",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1137925880,\"owner_id\":777704871,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":false},\"genre\":\"Rock\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"mood\":\"Yearning\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"collaborators\":[],\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-06-04T23:49:47.000Z\",\"tags\":\"indierock,japan\",\"title\":\"Let It Begin (Remaster)\",\"duration\":337,\"audio_upload_id\":\"e894c60cd2489ae18e0acab8b8e39968\",\"track_cid\":\"baeaaaiqsedxnnz3kv5lixmsmzfthuxar744mt7e37aosgbjqt6fznzjs7nsxi\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecs57x4zy34ikhrpvqncxlhbjoixff67yi6lpiurq4cqdcps2zymy\",\"orig_filename\":\"Let It Begin NEW REMASTER 2.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":108,\"is_custom_bpm\":false,\"musical_key\":\"E major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x4e1b27811d76ee8d017863986e50321528e4c127be4d7160869c52b41b59b04c",
    "signature": "0x80b4d92be8d8afbcbf294286a4f0272260dbc7f7ffac62d4b6ec45ff6a55e4341fb9a089d567badf42b6aff2464c7d9fe81f5dd9a5b6732668c9af6f3cb8442e1b",
    "signer": "0xAB2c106A808170ffcCbeF493492c309f20a5D3eC",
    "userId": "777704871"
  }
}