# Overview Implement the `getAuthMessage` function in the Python SDK to get the authentication message for signing # Function Signature ``` const getAuthMessage = async (address: string): Promise<AuthMessage> ``` # Excepted Response Format ``` {"message":<auth_message_if_success>, "error":<error_if_any>} ``` * `error` is `None` if successful # Reference * [encryption-sdk/src/methods/getAuthMessage/index.ts at main · lighthouse-web3/encryption-sdk](https://github.com/lighthouse-web3/encryption-sdk/blob/main/src/methods/getAuthMessage/index.ts) * [encryption-sdk/src/methods/getAuthMessage/test/getAuthMessage.test.ts at main · lighthouse-web3/encryption-sdk](https://github.com/lighthouse-web3/encryption-sdk/blob/main/src/methods/getAuthMessage/test/getAuthMessage.test.ts)