e:=echo.New()e.JSONSerializer=&MyJSONSerializer{}...

// DefaultJSONSerializer implements JSON encoding using encoding/json.typeMyJSONSerializer echo.DefaultJSONSerializer// Serialize converts an interface into a json and writes it to the response.// You can optionally use the indent parameter to produce pretty JSONs.func (dMyJSONSerializer)Serialize(c echo.Context,iinterface{},indentstring)error {enc:=json.NewEncoder(c.Response())enc.SetEscapeHTML(false)ifindent!="" {enc.SetIndent("",indent)}returnenc.Encode(i)}// Deserialize reads a JSON from a request body and converts it into an interface.func (dMyJSONSerializer)Deserialize(c echo.Context,iinterface{})error {returnecho.DefaultJSONSerializer(d).Deserialize(c,i)}