# signMerkleRoot

**Description**\
The `signMerkleRoot` method signs the Merkle root using the account's private key.

**Parameters**

* `root` (`string`): The Merkle root to be signed.

**Returns**\
Returns a `Promise` that resolves to a `string` containing the signature of the Merkle root.

**Example**

```typescript
const signature = await sdk.signMerkleRoot(root);
console.log("Signed Merkle Root:", signature);
```