{
  "manageEntity": {
    "action": "Create",
    "entityId": "1299956841",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1299956841,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Experimental\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"اسمع يا هوى بالي\",\"duration\":210,\"audio_upload_id\":\"489eed1403dcb8eb23ea9681d49e1655\",\"track_cid\":\"baeaaaiqsebfl4szmmhzrfttv3rlapb4kesfjtlk4mtataaavwm5yeqfdzileo\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedpmyow57fqwkfc65z7hcl2dvbl3drzgyda5z6jaive2rty53bihm\",\"orig_filename\":\"اسمع يا هوى بالي.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":128,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":683242200,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebej2iuw5jhsztkw2cjktt6fqtk6z3i2qnukzxg7nlcgf6rfopdpu\"}}",
    "nonce": "0x704b10c8f6996a1cc230390fcc779475de716eb27cfcd3f9a66e6025092fe396",
    "signature": "0xf37efac9820a704de27984734d4daeb13b09aff3a11e887d9771dce6679ca483456956f67249fb916f59a1d34be9d69ea39a95a6a0da9bee235acf76fe14413f1b",
    "signer": "0x8f99996A43EE3710B364a1E744e07B7C88Db7874",
    "userId": "683242200"
  }
}