> Set the Content-Type header in the response to application/json; charset=utf-8 without any changes. The "; charset=utf-8" part is not necessary and is ignore

> Set the Content-Type header in the response to application/json; charset=utf-8 without any changes. The "; charset=utf-8" part is not necessary and is ignored. See https://tools.ietf.org/html/rfc8259 https://tools.ietf.org/html/rfc8259 which defines the application/json media type: "No "charset" parameter is defined for this registration. Adding one really has no effect on compliant recipients."