OptionalsignatureThe signature name.
OptionalsignedThe author name.
OptionalsignedThe certificate name. Mac is not support now.
OptionalsignedWhether it is a signed field or not.
OptionalsignedThe location of signature. Mac is not support now.
OptionalsignedThe index of the page where the signature was signed.
OptionalsignedThe reason of signature. Mac is not support now.
OptionalsignedThe system time when the signature was signed.
OptionalverifiedWhether the signature has been verified or not.
OptionalverifyThe verifying state. verifyState is a number, The usage method is as follows:
Signature information.
Example