You could also use JSON Merge Patch (RFC 7396) for a similar use case. (The downside of JSON Merge Patch is it doesn't support concatenating string values, so

You could also use JSON Merge Patch (RFC 7396) for a similar use case. (The downside of JSON Merge Patch is it doesn't support concatenating string values, so you must send a value like `{"msg": "Hello World"}` as one message, you can't join `{"msg": "Hello"}` with `{"msg": " World")`.) [1] https://github.com/pierreinglebert/json-merge-patch https://github.com/pierreinglebert/json-merge-patch