in reply to json text or perl structure exceeds maximum nesting level

The default max_depth for both JSON::PP and JSON::XS is 512 (and the same for Cpanel::JSON::XS), far beyond 100 from your example.

How deep is your actual structure?

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

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