sendSignedTransaction return the tx but i cannot find it in https://etherscan.io

let gasPrice = await web3.eth.getGasPrice().then(price => {return price});
		let currentAccount = "0xd8A8e71CE21523A490ceeB75026585822BB7e92D";
		let nonce = await web3.eth.getTransactionCount(currentAccount).then(nonce => {return nonce});
		nonce += 1;
		let Txdata = {
			nonce: web3.utils.toHex(nonce),
			gasLimit: web3.utils.toHex(23000),
			gasPrice: web3.utils.toHex(gasPrice),
			to: contractAddress,
			from: currentAccount,
			value: '0x00',
			data: "0xa9059cbb00000000000000000000000017da548fe1485718478c79269661de85851de1240000000000000000000000000000000000000000000000000000000005f5e100"
		};
		let hash = new Tx(Txdata);
		const privateKey = Buffer.from(currentAccountPrivateKey, 'hex');
		hash.sign(privateKey);
		let serialized = hash.serialize();
		web3.eth.sendSignedTransaction('0x' + serialized.toString('hex'), (err, tx) => {
			if (!err) {
				console.log(tx);
			} else {
				console.error(err);
			}
		});
                let gasPrice = await web3.eth.getGasPrice().then(price => {return price});
		let currentAccount = "0xd8A8e71CE21523A490ceeB75026585822BB7e92D";
		let nonce = await web3.eth.getTransactionCount(currentAccount).then(nonce => {return nonce});
		let Txdata = {
			nonce: web3.utils.toHex(nonce),
			gasLimit: web3.utils.toHex(23000),
			gasPrice: web3.utils.toHex(gasPrice),
			to: contractAddress,
			from: currentAccount,
			value: '0x00',
			data: "0xa9059cbb00000000000000000000000017da548fe1485718478c79269661de85851de1240000000000000000000000000000000000000000000000000000000005f5e100"
		};
		let hash = new Tx(Txdata);
		const privateKey = Buffer.from(currentAccountPrivateKey, 'hex');
		hash.sign(privateKey);
		let serialized = hash.serialize();
		web3.eth.sendSignedTransaction('0x' + serialized.toString('hex'), (err, tx) => {
			if (!err) {
				console.log(tx);
			} else {
				console.error(err);
			}
		});