Errors

use_strict
WWW::StatsMix::Track
use_warnings
WWW::StatsMix::Track
valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Mon 08 Sep 2014 06:40:11 AM JST
gpg:                using RSA key DA172575A8EC2FE9
gpg: Can't check signature: No public key
--- SIGNATURE Mon Sep  8 06:40:14 2014
+++ 
@@ -1,6 +1,8 @@
 SHA1 8a7526547ddf9d065c12586ba86ee0cc8656c325 Changes
-SHA1 fdb1f219d721acc9f2ecace4e7a8ed4243a38d1a MANIFEST
+SHA1 7dfcb526437acf0254100061caacb8f29cdcd00a MANIFEST
 SHA1 5f29cdcbfacb9c46ac155fff9844aceeb064aef1 MANIFEST.SKIP
+SHA256 eaf1ec78b6d57f135da8071bdb2e7c6f87598c188e3b09b27af5cae7f7a33092 META.json
+SHA256 148b0874bbd9eb2554a0f5fafe64a4cc6ce97717ef1ff574d1d30ccdbe3f1060 META.yml
 SHA1 a5a4f3154de20abbf386de0e903261e56b276e7b Makefile.PL
 SHA1 ea658bf030498ea99ed7532db5e1be8ca84119f2 README
 SHA1 5a4c5dfe64c9ed16e214f76f053d4bb2b909c4d6 lib/WWW/StatsMix.pm
==> MISMATCHED content between SIGNATURE and distribution files! <==