Changes

🧰 Maintenance

• Fixed 'balance' and 'lockedAmount' type from string to number at ExternalWalletAsset schema in Contracts API and External wallets API
• Updated missing fields at TransactionResponse schema in Transaction API
• Fixed getPagedExchangeAccounts response schema in Exchange accounts API
• Added 'sortBy' and 'order' query fields at searchTickets operation in Smart Transfer API