Hello to All /Sendind Token

I want Send Transaction Here But The Server Respond bad Gedway

That is my code for sendind Token

            web3.setProvider(new web3.providers.HttpProvider(ProviderUrl));
            var  count             = web3.eth.getTransactionCount(fromAddress);
            var abiArray           = JSON.parse(abi);
            var contractAddress    = tokenAddress;
            var contract           = web3.eth.contract(abiArray).at(contractAddress);
            amountToSend           = 0;
            toAddress              = "";
            toAddress              =Receive_Token_Address;
            amountToSend           =Send_Amount;
            var rawTransaction = {
                "from":     fromAddress,        //sending_of_token
                "nonce":    web3.toHex(count), //nonce from sfac admin
                "gasPrice": "0x04e3b29200",   //Admin_sendind_gas  Min
                "gasLimit": "0x7458",        //Admin_sendind_gas  Limit
                "to":       contractAddress,//sfac contract_address
                "value":    "0x0",         //sfac Only
                "data":     contract.transfer.getData(toAddress, amountToSend, {from: fromAddress}),
                "chainId":  0x03//Network Of Transaction it Ropsten
            var privKey      = new Buffer(Sender_Private_Key, 'hex');
            var tx           = new Tx(rawTransaction);
            var serializedTx = tx.serialize();  
             web3.eth.sendRawTransaction('0x' + serializedTx.toString('hex'), function(err, hash) {

Hi @stevetanga welcome to the Infura community! Can you share the full error response you’re receiving?