{
  "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},{\"timestamp\":0,\"metadata_timestamp\":1775136494,\"track_id\":1317111864}],\"playlist_image_sizes_multihash\":\"01KN763T2T4FG5XRM26HEGS949\"}}",
    "nonce": "0x6e159404f4e6cee2bf2eea9e9300e90a17d86605088ae04a847265d8e3832adc",
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    "signer": "0x88230a9D799EAd981917C8A03E04707E22786eBE",
    "userId": "567715679"
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}