{
  "manageEntity": {
    "action": "Create",
    "entityId": "1212419747",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1212419747,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Indie\",\"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\":\"Tessere\",\"duration\":258,\"audio_upload_id\":\"c61907f83e232d61032b7e834f305c8a\",\"track_cid\":\"baeaaaiqsecwy2mjlpfcdnzg3v5mmfgoz2punutp4znmyhtleyebzs6kg7ftoy\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed6b43twxreibiyqzha57e5xdhkkgcmj7mjlkf6jnq63uoft3kx6q\",\"orig_filename\":\"Tessiamo.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":121,\"is_custom_bpm\":false,\"musical_key\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":227068227,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecioek6huo5torzrdzzz26l2glrglblyafws3lpdtsfdlapa2m6wc\"}}",
    "nonce": "0xd158abdb4bcca8d612d865d9e4add3c9eabfc917dc136c1b70026c23e4661c68",
    "signature": "0x5f5ddf40777d049551517535b6a74e30b0ae8d5670754567015662b41fc47303002f4ea51e5e2c4dc0362b06d5ae6ca3e09fcb1ff3a0ae39bb7ca2afdd4283ed1c",
    "signer": "0x4E802f7193313C8D55a39077f1DD13479712F61b",
    "userId": "227068227"
  }
}