{
  "manageEntity": {
    "action": "Create",
    "entityId": "1263008004",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1263008004,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Trap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Horizon\",\"duration\":164,\"audio_upload_id\":\"110e57c157a0031a8c61c8dec049ec22\",\"track_cid\":\"baeaaaiqsec5w65ryb5szz7fa76hkjymq2ztfikhkwiszowitejg6xnga2vpyw\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseauc7tfgkmkfvfuuvrskezojaua7yakyagj6rl7c4h3kvyccx3jku\",\"orig_filename\":\"AIMS - HORIZON SIGNAL.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":124,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":509716406,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebv7wu35y33m56g45q64smgevcsqzrp75lt2h34taedlluobz5fyg\"}}",
    "nonce": "0x98797616289f4a80feb834742d16ddb8f60953e0a44722dcbdc3aa80fe3c7b43",
    "signature": "0xf1d2302b1d7fa27f958218fb336e889d2e9ca0413bff155b32dde6d50fab2f0c46562a44efd29043b2518471f68e26205647957096712a952d36e94c0ecd9cd41c",
    "signer": "0xD1e78d368b6e1BA9c3281E18c08B03ccc78b50EA",
    "userId": "509716406"
  }
}