{
  "manageEntity": {
    "action": "Create",
    "entityId": "1696215157",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1696215157,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"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\":\"test_audio_file\",\"duration\":28,\"audio_upload_id\":\"69bc4e417e8bbd8ee46e91467154e5ac\",\"track_cid\":\"baeaaaiqseb3mnub4wywuuy4wmvvr3gwouwgc2hi4fngn6izcwig6alldf467e\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed5ggot4kgd2jx57e4gmbssv2vlm6exj6bzz5tag4m4kqcpujpk2i\",\"orig_filename\":\"test_audio_file.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":79,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":1,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebayw2yh5hu5x24ab4jmqusvjcfamvv4fz7s5tuxnl34myxtydh44\"}}",
    "nonce": "0x7ac120eaadcf2a4dfcfdd79fb56f5e0f2bc152d0f3d2f9133958d9a90c26c71d",
    "signature": "0xbd36a845578997d026a482180a7434948c0063142cb90fea23284c7655138db05dea6a85dfc83447933a586cb0785a8adcd6cc248a1beaef3f6cd1702d289b851b",
    "signer": "0x7D273271690538cF855E5b3002A0dD8c154bB060",
    "userId": "1"
  }
}