{
  "manageEntity": {
    "action": "Update",
    "entityId": "2046092762",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"cover_art_cid\":\"\",\"release_date\":\"2025-04-19T14:01:09.000Z\",\"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\":1775002182,\"track_id\":974539418}],\"playlist_image_sizes_multihash\":\"01KN35ZWZZNMZHEXPZ8WBBASAK\"}}",
    "nonce": "0xf2dca174c234c932a54f1f0ac113cedc20ed809dea269bcc416e50b797b6b81b",
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    "signer": "0x1DcAf530e890C7901C32488bA1FF710130b99d4c",
    "userId": "507533987"
  }
}