{
  "manageEntity": {
    "action": "Create",
    "entityId": "1658220936",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1658220936,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Cool\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2017-08-18T05:00:00.000Z\",\"title\":\"Deathbed\",\"duration\":267,\"audio_upload_id\":\"9896634153c6fbaff9e21115ec7d77ee\",\"track_cid\":\"baeaaaiqsec4g3og4m6h3ydxqvoamdvjvi5qb5cr4pde5tfvmhbred4sshwxeg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed45vfeutizqhyudwkh4kf4oaaklxkbmil5xgtchhoes3lly5coyu\",\"orig_filename\":\"[RoL-E06] Zirex - Deathbed.wav\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":140,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":753406205,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebjz3jxkuvlke4dcregnbiljk5cbrtztxpcrrej6l4ui4iy2eu53y\"}}",
    "nonce": "0x5b6950444f17280668fdec97c4df02c9fda7f267afe01f0948a1ae932ea8fe03",
    "signature": "0x1982151293e1f55f52827b274afec1eedda0546118fdd09145dd04f838edcd573143b28dc7108e62a3437f809c21550401a00c8a62594486e1d0ad54dafcb68c1b",
    "signer": "0xA78Fd746fAA824dCb68b68CC13fA9812a1ff2069",
    "userId": "753406205"
  }
}