(main)> $json
=> "{\"email\":\"admin\",\"password\":\"foo\"}"
(main)> BW::JSON.parse $json
2014-12-15 17:59:02.852 Foo[96404:8702306] -[__NSCFString bytes]: unrecognized selector sent to instance 0x1503d260
=> #<NSException:0xeae3960>
(main)> BW::JSON.parse $json.dup
=> {"password"=>"foo", "email"=>"admin"}
(main)>