{
  "manageEntity": {
    "action": "Create",
    "entityId": "778684449",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":778684449,\"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,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"CM_239_Our Government Cannot Save Us! (我們的政府，救不了我們！ ¡Nuestro gobierno no nos salvará!) [español]\",\"duration\":312,\"audio_upload_id\":\"7d11fda78078e9ef53053533f47c170f\",\"track_cid\":\"baeaaaiqseb4hhyqrbqsogrwyusllwpme5lci2xf6oefmtqwmisqllumbmsjqq\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedszqvrotzygnxyswa34fm22ebizx4kxzqqae2mma66esck4kemtw\",\"orig_filename\":\"CM_239_Our Government Cannot Save Us! (我們的政府，救不了我們！ ¡Nuestro gobierno no nos salvará!) [español].WAV\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":95,\"is_custom_bpm\":false,\"musical_key\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":610888861,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseazwoo3rpjvtne7ztfccvlmem2qyiv2na7cl4z6iacyjd3mntnlyi\"}}",
    "nonce": "0x52f072c6bfa3812acb21a644628cd4ca7465a0f2c47a656fa83efbe80b870670",
    "signature": "0x4208bb3fd5d923dee47b9f9bd9d465167165b8e65fc1eea8128363df6e834aa6637c2cd596e66d5ca2c4a72e9dea622c3be671ca5a21d65e8e8512b6486cdcc11c",
    "signer": "0xf5BfE006B204417a4a7D6B64C2336EEE309eCc17",
    "userId": "610888861"
  }
}