{
  "manageEntity": {
    "action": "Update",
    "entityId": "1031759705",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseb4hpldhpvc35mjhtqnrnetyb52chel5jl5zwajntmn5674bmlbxi\",\"release_date\":\"2025-08-21T02:33:34.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1786032342,\"track_id\":704918922},{\"timestamp\":0,\"metadata_timestamp\":1786032373,\"track_id\":712861704}]}}",
    "nonce": "0x8d66aa0884b5dd1bca305f19ec832d9a68af72a426c4d3ca9279203264050539",
    "signature": "0xfb39eb0edfcb085acf89755885d2f136a8ebd97e53e478995a8cbe12cb8063c52e5d3070d6bce29876144cee9ab9c5bc11275b00c9718a391c2e5604b6df771e1c",
    "signer": "0x3E54F0FC215b6D2d2f9B7cF274525405585358ca",
    "userId": "75985245"
  }
}