fix: fixes caching for nested objects and adds tests#3873

konstantinabl merged 11 commits intomainhiero-ledger/hiero-json-rpc-relay:mainfrom

3872-objects-in-params-are-not-serialized-when-added-to-cache-keyhiero-ledger/hiero-json-rpc-relay:3872-objects-in-params-are-not-serialized-when-added-to-cache-keyCopy head branch name to clipboard