fix: payload ordering

[RadovanTomik]

Negotiator pull request:

Description:

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Checklist:

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• I have performed a self-review of my code
• I have made my code as simple as possible
• I have added relevant tests for my changes and the code coverage has not dropped substantially
• I have removed all commented code
• I have updated the documentation in all relevant places (Javadoc, Swagger, MDs...)
• I have described the PR and added a meaningful title in the Conventional Commits format

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.39%. Comparing base (9b36411) to head (52db9fc).

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #429      +/-   ##
============================================
- Coverage     83.39%   83.39%   -0.01%     
  Complexity      922      922              
============================================
  Files           131      131              
  Lines          3668     3667       -1     
  Branches        237      237              
============================================
- Hits           3059     3058       -1     
  Misses          431      431              
  Partials        178      178              

Flag	Coverage Δ
unit	83.39% <100.00%> (-0.01%)	⬇️

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