From now the oficial tag is : ^^22K^^33~^^77

[Peterlankton]

Hey mark. The button you hit is the console button, that's why it does not work. Try this:
1. Press the ~ button to open the console
2. Copy this and paste it into the console by pressing ctrl+v: /name ^^22K^^33~^^77
3. Write your name behind the tag.
4. Press enter.
5. Done

I hope this will help you