# prepareMessageForSigning

The `prepareMessageForSigning` method prepares a message for MPC signing according to EIP-191 (Ethereum signed message standard).

## Usage

```ts twoslash
// [!include ~/snippets/code/chains.ts]
// ---cut---

const message: chainAdapters.evm.EVMMessage = 'Sign this message'

const { hashToSign } = await evmChain.prepareMessageForSigning(message)
```

## Parameters

| Parameter | Type         | Description              |
| --------- | ------------ | ------------------------ |
| `message` | `EVMMessage` | The message to be signed |

## Returns

| Property     | Type         | Description                              |
| ------------ | ------------ | ---------------------------------------- |
| `hashToSign` | `HashToSign` | The hash to be signed by the MPC network |