{
  "manageEntity": {
    "action": "Create",
    "entityId": "1535898033",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1535898033,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Soundtrack\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"I. MÉRIDA  A  Suite Extremadura Prof. Manuel GAGO FERNANDEZ\",\"duration\":244,\"audio_upload_id\":\"0272f2495c9b04bc4d52360c6acf3671\",\"track_cid\":\"baeaaaiqsea35qo5rqulb2nk5vvpuoypjkmsbowbc35anwthclw6rrhzde37po\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed7yyunrspwxdvplugufouuxn4ztpbdrah3mgdxajaallzm2c5qhm\",\"orig_filename\":\"I. MÉRIDA  A  Suite Extremadura Prof. Manuel GAGO FERNANDEZ.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":125,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":42634173,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedpjm5rnaz4mykukw4rjow7745lfohnh4vmtm6fyr75ae4nqwcqya\"}}",
    "nonce": "0x4910b732f252ea4cdafd1454a59f83047a49f2749cf08dd2f657ee22f0eca233",
    "signature": "0xe842a5b31e58d6cd69db7086dfd023b1404b6d26f1832228fa285075da2a9a6930f1aee6f3761f6b7037251c257ecf0925fe95f93a3a37d81489057ddac6cfb81c",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}