class Example extends React.Component {

  content = 'First line.\n\nI left an empty line.\n\n\n\nI left three empty lines.\nThis line comes after a single "\\n"\nhttps://ciaone.com';

  render = () => (
    <FormattedText content={this.content} />
  );

}

@@ -155,16 +155,18 @@
 e %22%5C%5Cn%22%5C
+n%5C
 nhttps:/
@@ -170,13 +170,13 @@
 s://
-ciaon
+googl
 e.co

improve example