{
  "manageEntity": {
    "action": "Create",
    "entityId": "565583773",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":565583773,\"description\":\"endless road with Lady Luck and God in cabrio\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Jazz\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":\"All rights reserved\",\"mood\":\"Melancholy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"noir,dark,idm,cinematic\",\"title\":\"avenue (first version)\",\"duration\":370,\"audio_upload_id\":\"7834c17a0ff62e48b58c741e1ec982bf\",\"track_cid\":\"baeaaaiqsed7shziiiijha26hd3d7jq4i744mp77l5pfjmehor7gg5kdphiijk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseatz3yukvw6a3iesheqtfe2mdv4aymskjyqkyb6ihei32xiedslii\",\"orig_filename\":\"love and pain_3.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":149,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":40043354,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseduuec7xzga6pdmpzrsn2ytqtrtfo37yvsbqng2jizufa5gxlw2xy\"}}",
    "nonce": "0xbdbfe497575d271243708b577834b45d311cb4cc2088726fdda708ab8af3314a",
    "signature": "0x229116f1b65025f8426c43e015f22755e9835e2795f7a6b86b0a15bd8f02fe7830567ec5091c3f40cf087af4e577886b735c9c61ad49f7ff87fc09ff9076665b1c",
    "signer": "0x897D20364b44e1C3aC49ccC8B71D5fa6C77A4d47",
    "userId": "40043354"
  }
}