gistfile1.diff

diff --git a/Gemfile b/Gemfile
index aa19617..fa847b7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,6 +21,7 @@ gem 'slim'
 
 # Padrino Stable Gem
 gem 'padrino', '0.12.2'
+gem 'rack-parser'
 
 # Or Padrino Edge
 # gem 'padrino', :github => 'padrino/padrino-framework'

gistfile2.diff

diff --git a/app/app.rb b/app/app.rb
index 606e221..3daefb4 100644
--- a/app/app.rb
+++ b/app/app.rb
@@ -4,6 +4,7 @@ module First
     register Padrino::Helpers
 
     enable :sessions
+    use Rack::Parser, parsers: { 'application/json' => proc{|data| JSON.parse(data) } }
 
     ##
     # Caching support.