Too long transaction hash with Wallet Connect

Question

I am developing a wallet app with the help of WalletConnectV2. I’m having issues with the transaction hash. it is 132 characters long. (0x + 130 characters)

r and s are each 64 characters long (+ 0x) and v is two characters long. The transaction hash should be 0x + 64 characters.

Can someone please tell me what did I miss?

func showSessionRequest(_ sessionRequest: Request) {
    Task{
        print("showSessionRequest",sessionRequest)
        print("showSessionRequest",sessionRequest.method)
        let resultSession: AnyCodable = Signer.sign(request: sessionRequest) 
        try await Sign.instance.respond(topic: sessionRequest.topic, requestId: sessionRequest.id, response: .response(resultSession))
    }
}

class Signer {
    private init() {}
    
    static func sign(request: Request) -> AnyCodable {
        switch request.method {
        case "personal_sign":
            return ETHSigner.personalSign(request.params)
            
        case "eth_signTypedData_v4":
            return ETHSigner.signTypedData(request.params)
            
        case "eth_sendTransaction":
            return ETHSigner.sendTransaction(request.params)
            
        default:
            fatalError("not implemented")
        }
    }
}

static func sendTransaction(_ params: AnyCodable) -> AnyCodable {
    let params = try! params.get([EthereumTransaction].self)
    var transaction = params[0]
    transaction.gasPrice = EthereumQuantity(quantity: BigUInt("20000000000"))
    transaction.gas = EthereumQuantity(quantity: BigUInt("6721975"))
    transaction.nonce = EthereumQuantity(quantity: BigUInt("204"))
    let signedTx = try! transaction.sign(with: self.privateKey)
    let (r, s, v) = (signedTx.r, signedTx.s, signedTx.v)
    let result = r.hex() + s.hex().dropFirst(2) + String(v.quantity, radix: 16)
    
    return AnyCodable(result)
}