This is already implemented via a plugin.

Hi,

Just in case anyone is interested in e-Signatures provider integrations with GLPI we have partnered with Signaturit to bring Legal Validity to these processes.

Additional info: https://tic.gal/en/ticgal-brings-esignature-to-glpi-with-signaturit/

Cheers,

If they have a NIC I will add them to Network devices, rather than Devices.