{
  "manageEntity": {
    "action": "Create",
    "entityId": "399245773",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":399245773,\"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,\"mood\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"flip flops\",\"duration\":182,\"audio_upload_id\":\"8c65c00d520e38df55c5d43714947cb8\",\"track_cid\":\"baeaaaiqsedypgcpxjk2pjwqbzoqeqa6hyhfghjymv5vtzj7jtpwuel2c6z6aa\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedeqwwy7fhkojl7dko7vg3jxpnzzflect2ht6zpa7jqhtz25z4qli\",\"orig_filename\":\"flipflops.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":142,\"is_custom_bpm\":false,\"musical_key\":\"D flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":641713112,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseaxpvref73ohat4exfdx5ixmsaa77r5nivxl3musklbfve7kgcajq\"}}",
    "nonce": "0xdeecf10604a91ac02d751bc09ecef909233796c25e2c1f8f9b0f921cb4ef688c",
    "signature": "0x0a91dde2722564679d7f56101e981f483b66801260749bcb99248535fbbf03ab493a8079122360d8c0a4081730f600f565cdf03e2788ce28794bb123406438b61c",
    "signer": "0x5284395a424D24676E246E663D3DeE1FDB291Cb4",
    "userId": "641713112"
  }
}