// Address of a Jetton minter contract// E.g., EQCxE6mUtQJKFnGfaROTKOt1lZbDiiX1kCixRv7Nw2Id_sDs for USDTlet jettonAddress = "<JETTON_ADDRESS>"// Returns balance in nano with decimals count according to Jetton specificationlet balance = try await wallet.jettonBalance(jettonAddress: jettonAddress)