def get_docusign_client():
    api_client = ApiClient()
    api_client.set_base_path(DOCUSIGN_API_BASE_URL)
    logging.info(f"Using API base path: {DOCUSIGN_API_BASE_URL}")

    with open(DOCUSIGN_PRIVATE_KEY_FILE, 'rb') as private_key_file:
        private_key_bytes = private_key_file.read()

    try:
        # Request JWT user token
        oauth = api_client.request_jwt_user_token(
            client_id=DOCUSIGN_CLIENT_ID,
            user_id=DOCUSIGN_USER_ID,
            oauth_host_name=DOCUSIGN_AUTH_SERVER,
            private_key_bytes=private_key_bytes,
            expires_in=3600,
            scopes=['signature', 'impersonation']
        )

        logging.info("JWT token successfully obtained")

        # Set the Authorization header
        access_token = oauth.access_token
        api_client.set_default_header('Authorization', f"Bearer {access_token}")

        # Verify the token and get user info
        user_info = api_client.get_user_info(access_token)
        logging.info(f"Token verified for user: {user_info.name}")
        logging.info(f"User email: {user_info.email}")

        # Log account information
        for account in user_info.accounts:
            logging.info(f"Account ID: {account.account_id}, Name: {account.account_name}, Is Default: {account.is_default}")
            if account.is_default:
                logging.info(f"Default Account ID: {account.account_id}")
                global DOCUSIGN_ACCOUNT_ID
                DOCUSIGN_ACCOUNT_ID = account.account_id

        # Verify that DOCUSIGN_ACCOUNT_ID is set and matches one of the user's accounts
        if DOCUSIGN_ACCOUNT_ID not in [account.account_id for account in user_info.accounts]:
            logging.error(f"DOCUSIGN_ACCOUNT_ID {DOCUSIGN_ACCOUNT_ID} does not match any of the user's accounts")
            raise ValueError("Invalid DOCUSIGN_ACCOUNT_ID")

        return api_client

    except ApiException as e:
        logging.error(f"DocuSign API exception: {e}")
        logging.error(f"Error response: {e.body}")
        raise

    except Exception as e:
        logging.error(f"Unexpected error: {e}")
        raise

def create_envelope(docusign_client, recipient_email, recipient_name, pdf_file_path):
    try:
        with open(pdf_file_path, 'rb') as pdf_file:
            pdf_bytes = pdf_file.read()
            base64_file_content = base64.b64encode(pdf_bytes).decode('ascii')

        # Create envelope definition
        envelope_definition = EnvelopeDefinition(
            email_subject="Please sign your Letter of Intent",
            email_blurb=f"Dear {recipient_name},\n\nPlease sign your Letter of Intent.\n\nBest regards,\nAmazing Properties LLC",
            documents=[
                Document(
                    document_base64=base64_file_content,
                    name=f"{recipient_name}_Letter_of_Intent.pdf",
                    file_extension="pdf",
                    document_id="1"
                )
            ],
            recipients=Recipients(
                signers=[
                    Signer(
                        email=recipient_email,
                        name=recipient_name,
                        recipient_id="1",
                        tabs=Tabs(
                            sign_here_tabs=[
                                SignHere(
                                    document_id="1",
                                    page_number="1",
                                    x_position="100",
                                    y_position="100"
                                )
                            ]
                        )
                    )
                ]
            ),
            status="sent"  # Set to "created" if you want a draft
        )

        # Initialize the Envelopes API
        envelopes_api = EnvelopesApi(docusign_client)

        # Create the envelope
        envelope_summary = envelopes_api.create_envelope(account_id=DOCUSIGN_ACCOUNT_ID, envelope_definition=envelope_definition)
        logging.info(f"Envelope sent to {recipient_email}: {envelope_summary.envelope_id}")

    except FileNotFoundError:
        logging.error(f"No PDF found for {recipient_name} ({recipient_email})")
    except ApiException as e:
        logging.error(f"DocuSign API exception when sending to {recipient_email}: {e}")
        logging.error(f"Error response: {e.body}")
    except Exception as e:
        logging.error(f"Unexpected error when sending to {recipient_email}: {e}")

the above is try to create and send an envelop but somehow I'm getting Authentication ```HTTP response body: b'{"errorCode":"USER_AUTHENTICATION_FAILED","message":"One or both of Username and Password are invalid. Invalid access token"}' ```
the token is generated and also verified from the log output but failing at the point of sending the envelope
Below is the log out
```
INFO:root:Using API base path: https://demo.docusign.net/restapi
INFO:root:JWT token successfully obtained
INFO:root:Token verified for user: User Name
INFO:root:User email: user@gmail.com
INFO:root:Account ID: 2a2eafca-xxxx-xxxx-xxxx-xxxxxxxxxxx, Name: Company Name, Is Default: True
INFO:root:Default Account ID: 2a2eafca-xxxx-xxxx-xxxx-xxxxxxxxxx
INFO:root:Using Account ID: 2a2eafca-xxxx-xxxx-xxxx-xxxxxxxxxx
ERROR:root:DocuSign API exception when sending to user@gmail.com: (401)
Reason: Unauthorized
Trace-Token: b2759cdc-xxxx-xxxx-xxxx-xxxxxxxxxxx
Timestamp: Thu, 29 Aug 2024 15:12:08 GMT
HTTP response headers: HTTPHeaderDict({'Cache-Control': 'no-cache', 'Content-Length': '125', 'Content-Type': 'application/json; charset=utf-8', 'Vary': 'Origin', 'X-Content-Type-Options': 'nosniff', 'X-DocuSign-TraceToken': 'b2759cdc-xxxxx-xxxx-xxxx-xxxxxxxxxx', 'X-DocuSign-Node': 'SE3FE10', 'Date': 'Thu, 29 Aug 2024 15:12:08 GMT'})
HTTP response body: b'{"errorCode":"USER_AUTHENTICATION_FAILED","message":"One or both of Username and Password are invalid. Invalid access token"}'
```


I’ve spent days on this, and I will want a quick solution from anyone