Errors

valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Sat 30 Aug 2014 10:03:28 AM JST
gpg:                using RSA key DA172575A8EC2FE9
gpg: Can't check signature: No public key
--- SIGNATURE Sat Aug 30 10:03:28 2014
+++ 
@@ -1,6 +1,8 @@
 SHA1 ac7349d13d02fb9da5dcf7cafc982a4e130f74b6 Changes
-SHA1 40ed376da8ce82c53b318910219e90a2efed7a76 MANIFEST
+SHA1 8f39f51f16a4dae68f72963c3485d5cd96cb5acd MANIFEST
 SHA1 5f29cdcbfacb9c46ac155fff9844aceeb064aef1 MANIFEST.SKIP
+SHA256 301638b614bacfc838584fdf2fb3984ff3ecb76c25d5d514c6b348d647fbf4fa META.json
+SHA256 ee9df724c0e4d218f24c6501ad5cf160a3cfb6579e5cfeb73ceb9cbe77198d04 META.yml
 SHA1 df4038743695e46c1ca610b5404eba694ef4c980 Makefile.PL
 SHA1 4d78ebc2e9d9e82037ff39c26cc2604dadd6da88 README
 SHA1 cd66abcc487e1a53d5660e119e93015cba280db5 lib/WWW/Google/URLShortener.pm
==> MISMATCHED content between SIGNATURE and distribution files! <==