{
  "manageEntity": {
    "action": "Create",
    "entityId": "218330528",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":218330528,\"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\":\"Serious\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"undertale,megalovania,jerseyclub\",\"title\":\"UNDERTALE - MEGALOVANIA (Knight Jersey Club Mix)\",\"duration\":151,\"audio_upload_id\":\"2aebccd66d1a69c01aeb1faf6e80f1c2\",\"track_cid\":\"baeaaaiqsebnnjf7vxxia6nicvexodeqkskujvuidbb2nsaxyqysu54wtcxb5a\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsea32u26ojhpuiv2t2fsk36azor27idb5fancko3zosqtabgio6nde\",\"orig_filename\":\"mega.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":110,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":34815,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebg3zsq76mpiaqduoc3ot7z6sicmnrwjnbnibw2c2j4hehfwul5r2\"}}",
    "nonce": "0x3426aaa5f30fdc5ff4d265a08637737e351eed05616a4a437764622ab4360725",
    "signature": "0xaaec8b5f0b7b64f955dc606e8d151ab64ba09edc85b57af77b876ba1677f510b0e28c9b211defadfbebce651529df1d190103f4759190a25fc67f06d97ed0c9c1b",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}