Sign a transaction

signTransaction: (input: SolanaSignTransactionInputType) => Promise<SolanaSignTransactionResponseType>

import {
clusterApiUrl,
Connection,
LAMPORTS_PER_SOL,
PublicKey,
SystemProgram,
Transaction,
VersionedTransaction,
TransactionMessage
} from '@solana/web3.js';

const walletPublicKey = new PublicKey(wallet.address);
const connection = new Connection(clusterApiUrl('devnet'));
const instruction = SystemProgram.transfer({
fromPubkey: walletPublicKey,
toPubkey: new PublicKey(address),
lamports: value * LAMPORTS_PER_SOL
});

const {blockhash: recentBlockhash} = await connection.getLatestBlockhash();

const message = new TransactionMessage({
payerKey: walletPublicKey,
// Replace with your desired instructions
instructions: [instruction],
recentBlockhash
});

const yourSolanaTransaction = new VersionedTransaction(message.compileToV0Message());

// Get the signed transaction object from the response
const {signedTransaction} = await privy.walletApi.solana.signTransaction({
walletId: wallet.id,
transaction: yourSolanaTransaction
});