fix: manual marshaling, consumer->provider (do not merge)

[Tomelia1999]

Description

Closes: #XXXX

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[github-actions]

Test Results

    7 files  ±0    128 suites  ±0   34m 13s ⏱️ -49s
3 185 tests ±0  3 184 ✅ ±0  1 💤 ±0  0 ❌ ±0 
3 265 runs  ±0  3 264 ✅ ±0  1 💤 ±0  0 ❌ ±0 

Results for commit 6afb775. ± Comparison against base commit 18cb6d0.