Idl/json type

[wild-endeavor]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.10%. Comparing base (b36a1f3) to head (6021442).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5337      +/-   ##
==========================================
- Coverage   62.49%   61.10%   -1.39%     
==========================================
  Files         611      794     +183     
  Lines       37478    51213   +13735     
==========================================
+ Hits        23421    31295    +7874     
- Misses      11929    17037    +5108     
- Partials     2128     2881     +753     

Flag	Coverage Δ
unittests-datacatalog	69.31% <ø> (ø)
unittests-flyteadmin	58.90% <ø> (ø)
unittests-flytecopilot	17.79% <ø> (ø)
unittests-flytectl	68.30% <ø> (ø)
unittests-flyteidl	79.30% <ø> (ø)
unittests-flyteplugins	61.94% <ø> (ø)
unittests-flytepropeller	57.32% <ø> (?)
unittests-flytestdlib	65.75% <ø> (ø)

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[pingsutw]

Should we use byte instead here?