chore: fix nested type decoding

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.95%. Comparing base (83ea43a) to head (f3b2a37).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #89 +/- ## ========================================== + Coverage 94.91% 94.95% +0.04% ========================================== Files 109 109 Lines 3855 3887 +32 ========================================== + Hits 3659 3691 +32 Misses 196 196 ```

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