{
  "manageEntity": {
    "action": "Create",
    "entityId": "1939514330",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1939514330,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Drum \u0026 Bass\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Cool\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Maintain (ft. Mc Maponus)\",\"duration\":255,\"audio_upload_id\":\"f44df4558b594bb3b99d4712afd3c579\",\"track_cid\":\"baeaaaiqsed55fcmr4wk534kn5f4shmyqfjg77ss7rfr6ayvvorn52x7h6wjne\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebeyne3mrwbhusgqc6fxtshliuwqgvef4mfbvwz45hpjcvzudyqis\",\"orig_filename\":\"Maintain - CakeBaby ft. Mc Maponus.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":87,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":2012692,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecchihhplvzj2vcklqu5istvhbs4xfuf7ab2yt2yiidrtotywygku\"}}",
    "nonce": "0x55e6b7f9f0d08e7dafb8f37048ad7b8a97c0043d552648931fa14bec98b96373",
    "signature": "0xb86a3175f6c8b9e8234993b9ca2f5aa93db944243454ac164b437c8668b1cc6d25722885fe773f08588bd37dd9d25d7726a2f87e392f3e763db83fd072891c4e1b",
    "signer": "0x0B9A85124057383A7053Cec4e9F3e12ee849152f",
    "userId": "2012692"
  }
}