/api/v2/internal/{coin}/wallet/{walletId}/balanceRoute to get internal wallet balance
coinstringRequiredbtc>= 1 characterswalletIdstringRequired59cd72485007a239fb00282ed480da1f^[0-9a-f]{32}$>= 1 charactersallTokensbooleanunspentCountbooleanincludeRbfbooleanincludeStakingBalancesbooleanbalanceString string required confirmedBalanceString string required spendableBalanceString string name string context object required error string required requestId string required