My code is JCXVKNKR

Manage Service Options(doesn't appear if you've not bought the game)
Enter Recruitment Code

And receive the following upon subscription;

Friendship Circlet Increases EXP earned by 20% when level 25 and below.
• Aetheryte Ticket x 99 Players in possession of an aetheryte ticket when using Teleport will not incur a gil fee.
• Ballroom Etiquette - Improper Greetings Using this will unlock a new emote. Fist Bump (/fistbump, /brofist)
• 10 Silver Chocobo Feathers Trade to the Calamity Salvager NPC for special items