{
  "manageEntity": {
    "action": "Create",
    "entityId": "323271349",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":323271349,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Rock\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Zorica Milošević 17. 08. 2026.\",\"duration\":246,\"audio_upload_id\":\"e4733c6b9e1a713e85fb7becf5944972\",\"track_cid\":\"baeaaaiqseczxte3easvmqu4olpbcyeljy3xh6wq4tbhvph2kslnxvbvz3cfso\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedanu53b6ftcxn4hhrji6lb7zs32naxvjhkvljihixobenostukvm\",\"orig_filename\":\"Zorica Milosevic za Budilnik 17.8.2026.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":108,\"is_custom_bpm\":false,\"musical_key\":\"A flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":657238987,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebxhyxqgo6lf72dt3cxy35lbovq5jkwuw4xo2m3vlhbzscmefowuy\"}}",
    "nonce": "0x75e3546396d63403e41ed0b231b2244bdc123e5823921667507e9e1325afed40",
    "signature": "0x96f5bd378aa2b7fbdeed3ef98b845d7f7c7003d68ee5cf97952addcba72b2bd110c231828e3c6cda01bfe67a50ffae1d6ca6926e345acc3bd10694f9cfec2bd71c",
    "signer": "0x13eF1337E7e02DEB7A784873978e73Ee03f33919",
    "userId": "657238987"
  }
}