The 'signatureZoneIndex' field is now included in the message body published to the outbound exchange. This change ensures that all necessary information is transmitted.
Deleted import of the 'io' module from worker.py as it was not being used. This helps clean up the code and potentially reduce memory usage. Cleaning up unused imports also makes the codebase more maintainable.
Adjusted the calculation of the signature box's bottom boundary to subtract the height instead of adding it. This change ensures that the signature is placed correctly within the designated zone on the PDF.
