How to make Obfuscated text on Minecraft! (TellRaw)

Bassically, how to make an obfuscated test (Minecraft) with Commands. {Lan must be Enabled or won&work!} Step 1: Enable lan (in video how to do this) Step 2: Enter this code: /tellraw @a {"text":"test","obfuscated":"true"} Step 3: Press enter and you are done! With this you can troll your friends!