{
  "manageEntity": {
    "action": "Create",
    "entityId": "622612591",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":622612591,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Drum \u0026 Bass\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Forgotten \",\"duration\":210,\"audio_upload_id\":\"3ad42995db0fa856f65033397dae4a17\",\"track_cid\":\"baeaaaiqsedwvb7qhsmeoibxvyfhyynlvgaatvjdvol5fnqblsujfaypvi2qgs\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec6zwkymrrffyoab2anw3ru2bhxrabhec62p4tlcu5pli6u332c5a\",\"orig_filename\":\"No-video-title-fdown.net 4.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":117,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":373173,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseaaidl7cnfxtvixlnazm5sppujjeqwrs2hqbx23wokedol6wksy2c\"}}",
    "nonce": "0x866d9ef53c9b0ad4dc1e8095c9f09cfcd97c68a189c2b69e160047915234defe",
    "signature": "0xedea49b944be81e2b4b72082976209497e9a746e977fd63a04972fb8dfb1539f4808746216abe51be8466274891c37ea4cdec628fc6dd691e6aa3fc93aced7bd1b",
    "signer": "0x2CdceEeabf6dc8403D306e7C20eD1Bc4F95f13cE",
    "userId": "373173"
  }
}