{
  "manageEntity": {
    "action": "Update",
    "entityId": "2127434421",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"cover_art_cid\":\"\",\"release_date\":\"2026-04-02T13:27:53.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1775136473,\"track_id\":126583200}],\"playlist_image_sizes_multihash\":\"01KN7633XAEJB3CWV7Z32XQRHE\"}}",
    "nonce": "0x1d6eefa31eae1c472e98ad8f3b01e7891f4878e6f55c431af32a08748f3fd848",
    "signature": "0xeaae273d280e3db94bafbd6dd039ee416f6c7a858199d3c402420b4e46fd94692e055882e39e461daa82e7299585507e91f83cb0a6942d3d7b3ee7651d6ce8cf1c",
    "signer": "0x88230a9D799EAd981917C8A03E04707E22786eBE",
    "userId": "567715679"
  }
}