ENUM
The category of a balance update.
enum BalanceUpdateCategory {baking_rewardsrewardsfeesdepositslegacy_rewardslegacy_feeslegacy_depositsblock_feesnonce_revelation_rewardsdouble_signing_evidence_rewardsendorsing_rewardsbaking_bonusesstorage_feespunishmentslost_endorsing_rewardssubsidyburnedcommitmentbootstrapinvoiceminted}