+|name|string|A name to help the user manage their keys.||
+|key_type|string|Public key type, currently only supports "SSH"||
+|authorized_user_uuid|string|The user to which this key belongs. Authentication using this key authenticates as this user.||
+|public_key|text|The actual public key material, e.g., from @~/.ssh/id_rsa.pub@||
+|expires_at|datetime|Expiration date after which the key is no longer valid.||