You can change your nickname by purchasing the VIP membership.
You can purchase the VIP membership by tapping on the the VIP promotion banner at the bottom of the screen in the Discover tab or you can find it in the Gem store.
You can change your nickname numerous times by purchasing the VIP membership, but unsubscribing from the membership will change your nickname to what it was originally.
#Please be aware that nicknames below will be rejected:
* Inappropriate names
* Nicknames promoting other services / products / personal social media channels
* Nicknames containing any personal information (contact info / address / bank account info etc)