This error is returned because an exception was thrown, please check the signature format.
23001
Origin dismatch.
Check origin safe.
Example
Request
let verifyMessageBody = {
"signature": {
"field": "13468724101429370746602596170094552502200193721398063751467629418902449650534",
"scalar": "5638584219029837254561020594864591092072844530049610703222272818700774330907"
},
"publicKey": "B62qr2zNMypNKXmzMYSVotChTBRfXzHRtshvbuEjAQZLq6aEa8RxLyD",
"data": "Click \"Sign\" to sign in. No password needed!\n\nThis request will not trigger a blockchain transaction or cost any gas fees.\n\nI accept the Auro Test zkApp Terms of Service: http://localhost:3000/\n\naddress: \niat: 1699294808439"
};
await window.mina?.verifyMessage(verifyMessageBody).catch((err: any) => err);