{
  "manageEntity": {
    "action": "Create",
    "entityId": "1941204314",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1941204314,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":true,\"iswc\":\"\",\"license\":null,\"mood\":\"Melancholy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"west end\",\"duration\":174,\"audio_upload_id\":\"97e6ba483a86822626889c1fbd9fbdcd\",\"track_cid\":\"baeaaaiqsedercytgsiia7sw752oqnduv2znkhgcpkfcifuorxz7l5xh3z6kay\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecu2qskd2rtzxuazxxmgde5pxmpzlhbm5ruziy7xs5q6xrtl4mizg\",\"orig_filename\":\"05_west end.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":128,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":703514944,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecdfr5uvhaivpbneoddski3wffbqn4hijorwlpuzch3mal3pc75zo\"}}",
    "nonce": "0xd27583e96a24e36d5e889f199205fac6d0e8cc1600ce1da80a639b70702e2410",
    "signature": "0xea27d4bd9c001e7ca6fac675e8cc018a24b16a3e45434fcf312ec75dc447b33c62b96ea51248e2a4d5c9fa93ad3a8b39c74631324f8dd9e9d2cd4c0bce63fa891c",
    "signer": "0xc30bAbF21Ad5EfdB081cA75Ed3e544c7C1102B52",
    "userId": "703514944"
  }
}