{
  "manageEntity": {
    "action": "Create",
    "entityId": "133421792",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":133421792,\"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\":\"innerstorme\",\"duration\":185,\"audio_upload_id\":\"355087a547204619c9a6666802018800\",\"track_cid\":\"baeaaaiqsebutm4vjs4wfe6ietaez6n23go4bhh2c6olc74hk767qpxfn7utq6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecrdgjft34xp4xqucfcgqogqmx5orred7k6fi2eqi56jxqjizjety\",\"orig_filename\":\"innerstorme.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":110,\"is_custom_bpm\":false,\"musical_key\":\"C minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":543589650,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecwhwdu2wrvcc64dm74ztk4ccyenlfu3aqk5sdudcmeofvgfot5vw\"}}",
    "nonce": "0x6d84eee9e78d21824604171c022d069139194bde72dd5d74fc808c68ead3c9f0",
    "signature": "0x5341a9b20031b475a358465adc107a66b02b7e2e36f1feca8757a7a0be776bff73fefb2734cc27d68f2481cf60be7e45671f8dbe426ad2266aa1b23903d3cc021c",
    "signer": "0xD282F68EA7185E6570ceEa75a01b48253BE91275",
    "userId": "543589650"
  }
}