{
  "manageEntity": {
    "action": "Create",
    "entityId": "2020004702",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":2020004702,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Soundtrack\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Excited\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"1K Love\",\"duration\":146,\"audio_upload_id\":\"021cd8b76b48145388d7bbd9b9d9dc09\",\"track_cid\":\"baeaaaiqsed35sfzl2ia655y2iwyhcaoyyqrrg35liexikjvbnlv5k65iwutj6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaohmmvfndici5tvp44nx5h6sjkcifdfzoyhteirtdurnrbwiba2w\",\"orig_filename\":\"1K Love1.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":105,\"is_custom_bpm\":false,\"musical_key\":\"G major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":590666223,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsea6hvdpnl6vtyujr3iwqz7w6daova5szl565eol2on5xqjlmobvyk\"}}",
    "nonce": "0xdab7c6a43685d14f26e655dbf8f875c91edd3a77dd32d2d1d877ac9ec737f0d2",
    "signature": "0xac9f9d79f425a468523623b5f1257d9007b746765b39583343c0a820837ec38630375a5bc848c5fa8cae9702aee3e228c989cb016c90c66ab6f8a9466025d22c1b",
    "signer": "0x75086270d55282Ad1107e72C38225d5Cee3c987F",
    "userId": "590666223"
  }
}