signPersonalMessage method
Signs a personal message with the account's private key.
Implementation
@override
SuiSecp256r1Signature signPersonalMessage(List<int> message) {
final digest = SuiCryptoUtils.generatePersonalMessageDigest(message);
final signature = privateKey.sign(digest);
return SuiSecp256r1Signature(
publicKey: publicKey.publicKey, signature: signature);
}