       end
 
       def decode(binary) do
-        Poison.decode!(binary, keys: :atoms!)
+        Poison.decode!(binary)
       end
 
       def claim(:iat, _payload) do

      end

      def validate_claim(:iat, payload) do
        Joken.Config.validate_time_claim(payload, :iat, "Token not valid yet", fn(not_before, now) -> not_before < now end) 
      end

      def validate_claim(_, _) do

      end

      def decode(binary) do
        Poison.decode!(binary)
      end

      def claim(:iat, _payload) do
