{
  "manageEntity": {
    "action": "Create",
    "entityId": "1224025546",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1224025546,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Metal\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"mood\":\"Aggressive\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"japanese,noisecore\",\"title\":\"Suffer Hell On Earth\",\"duration\":40,\"audio_upload_id\":\"546cccf0a25c1d4dff05e17f762c5619\",\"track_cid\":\"baeaaaiqsec6rmfukrrvscs3wdswdbclhgwppgq6xlmbwwjewjsmom66rsrpra\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseabwcguywgzlm5kohllpj65tdvys7atpnjbvtztblcdv3r5wishik\",\"orig_filename\":\"Suffer Hell On Earth.mp3\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":125,\"is_custom_bpm\":false,\"musical_key\":\"A flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":751451,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseaoflyomv76eruwfqys3sjngduotu2yyg43dx2ja7tnrmag6bczeo\"}}",
    "nonce": "0x456f3b1649ae05c435d7adbf17e31d5269e5f34377d851ed710651f80800bd18",
    "signature": "0x9b14b70b97dba507d3456b81fc5eea0bfc31272794212b58f53da3ee52c355f140c263d5202073f221b08b946d04eb65443f25f3688174555f80ef22919549241c",
    "signer": "0x20c238b8C67292B74399B705c8Ba45682d3854D3",
    "userId": "751451"
  }
}