{
  "manageEntity": {
    "action": "Create",
    "entityId": "661428990",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":661428990,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Energizing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"dance,trance,electronica,rock\",\"title\":\"CORROSPONDANCE  French Version\",\"duration\":288,\"audio_upload_id\":\"bededa68a1a9e9eede4cfe998571b70b\",\"track_cid\":\"baeaaaiqsean44swxknecysmszcmtn27cnl3rgow7mz3jnyhjbq67l6izseuga\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaqrpznnobw4gh35oyp32smy4qopj7cnsypopiaknmuefm3ny7jqu\",\"orig_filename\":\"CPORROSPONDANCE (1).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":146,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":1994482,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseap7ojr5ydeyxxlwkkiued7ialbchqtah4ixs6bni7yiu7jtag5oa\"}}",
    "nonce": "0x91bbed0182ab73b1d0b2532002e1dc7cd2e991b4ad5444d80137a74d3bd1bb22",
    "signature": "0x4926c65fe5a156d3cf6a64402f09d5896092326f2f45940bf6349286e99407b327b572228c8671e289643aac7c4dab0a0bc9f729a1f8073e6728264ee24122371b",
    "signer": "0x16D3bf5a80bAfFB2f1550d49b1203D4CA532DA1C",
    "userId": "1994482"
  }
}