``privateKey``
optional, string Private Key (PGP, RSA, ECDSA)
"privateKey" : "-----BEGIN PGP PRIVATE KEY BLOCK-----\nVersion: BCPG v1.65\n\nlQO+BF6X8mMBCADJubBsqhEh8l/kY5Q3TwRn1ALceNVXJUnd9ERkD4/kox..."