Funnily enough, that's what [wRPC](https://github.com/bytecodealliance/wrpc) is designed to do, using the small and efficient [Component Model Value Encoding](https://github.com/WebAssembly/component-model/blob/main/des...), largely based on [Core Wasm spec](https://webassembly.github.io/spec/core/).

For example, here's an example of a Web App using [`wasi:keyvalue` interface](https://github.com/WebAssembly/wasi-keyvalue/) via WebTransport using wRPC: https://github.com/bytecodealliance/wrpc/tree/8e9de3b446ac05...