{
  "manageEntity": {
    "action": "Create",
    "entityId": "327541953",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":327541953,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Alternative\",\"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\":\"One Hand Claps\",\"duration\":306,\"audio_upload_id\":\"b9fb8e0a0847d460d64bc055a9aa23f9\",\"track_cid\":\"baeaaaiqsedf7nbtcg2y7rcdkyjvtzvv66yqfpwvelvve26xax2kqqaufy4qqk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecxsuscddpwijxfad7fcmc7thv5aln2hprm4d22bz2nidmou4iazu\",\"orig_filename\":\"One Hand Claps Master.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":113,\"is_custom_bpm\":false,\"musical_key\":\"A flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":387913047,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseazshbhzsuu7gzmtl2gtpft5oaw2ilzkszcjlzj2jz4vydutkqoaw\"}}",
    "nonce": "0x6e0e8cf2e7d925ef097c318a81d7af75e2aff1814716edc7965982cb41594f93",
    "signature": "0x9374daee29a34571aa4a1f17c2458daaadc399ee4c4348ee89e20156bad9775b2d299b6191ce1304a4c81a27aa01f8765cce25824d23149bfe0e97c6cc61bb291b",
    "signer": "0x952730c9Ef922cA4D65E8F79f35Ae889dB8831Fe",
    "userId": "387913047"
  }
}