I can imagine if it's deeply nested data, your markup might get complex, but the structure of the HTML doesn't have to mirror the JSON. There's other examples here which might illustrate more how this can look: https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/...
If you're shipping a JS bundle, for instance, that has small, frequent updates, this should be a good use case. There's a test site here that accompanies the explainer which looks interesting for estimates: https://use-as-dictionary.com/generate/