feat(enhancement): add json definition and method to trace info

[jeevatkm]

• its preparation for upcoming debug log formatter

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.81%. Comparing base (236685e) to head (60978d6).
Report is 1 commits behind head on v3.

Additional details and impacted files

@@           Coverage Diff           @@
##               v3     #964   +/-   ##
=======================================
  Coverage   99.81%   99.81%           
=======================================
  Files          17       17           
  Lines        3835     3844    +9     
=======================================
+ Hits         3828     3837    +9     
  Misses          5        5           
  Partials        2        2           

Flag	Coverage Δ
unittests	99.81% <100.00%> (+<0.01%)	⬆️

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