While digital signing services are commonly used for signing contracts, agreements, and other legal documents, there are also some unlikely ways someone can use a digital signing service, including:

1. Signing digital artwork: Artists can use a digital signing service to sign and authenticate digital artwork, such as digital paintings or illustrations.
2. Signing email messages: Some digital signing services allow users to sign their email messages, providing an added layer of security and authenticity.
3. Signing consent forms for medical research studies: Participants in medical research studies can use a digital signing service to sign consent forms, which can then be securely stored and managed by the study organizers.
4. Signing wedding contracts: Couples can use a digital signing service to sign prenuptial agreements, vendor contracts, and other legal documents related to their wedding planning.
5. Signing memorabilia: Collectors of sports memorabilia or autographs can use a digital signing service to obtain digital signatures from athletes or celebrities, adding authenticity to their collections.

Overall, the flexibility and versatility of digital signing services make them useful for a wide range of applications beyond the standard use case of signing contracts and legal documents.