{
  "manageEntity": {
    "action": "Create",
    "entityId": "918336389",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":918336389,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Soundtrack\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":\"Attribution-NonCommercial-NoDerivs CC BY-NC-ND\",\"mood\":\"Stirring\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"cinematic,orchestral,soundtrack,dynamic,dramatic,backgroundmusic,instrumental,bgm\",\"title\":\"Flying through the Sky\",\"duration\":243,\"audio_upload_id\":\"6123f4c03cb2209505ddfc7c8caee944\",\"track_cid\":\"baeaaaiqsedtacm3uxp75mwvws6p3vmb34aebvhsw67dxieem72ghyxruhaayc\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsea7bkswh4jcyyz4hfiunbddwzoolqhf6pgylg6bc7tegxiqnmorvi\",\"orig_filename\":\"Composition 3 20260119.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":117,\"is_custom_bpm\":false,\"musical_key\":\"A flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":529321365,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsectjkslt2fw7nyl564mea4xt76eivhtsn354uxax2j52w43zxwwb6\"}}",
    "nonce": "0xf1b9cad9b9563b2d6622549792212f85808474267e0b9ad43146cea5d9cf3b3b",
    "signature": "0x1d09bce2fde99e43524e6d4b66e2a04f0e81ec6399cab4e089025ed6bfc63cfc610b57124133d0435abb7550285f9f11b6f7e2a9af37a9687c8115ce573c8df81b",
    "signer": "0xB5EC92299b6f6D4D13A598E9ED72C49B48Ec70F5",
    "userId": "529321365"
  }
}