iphone - How do I extract a value from the following code? -

how extract "token" value following code? i'm looking save value string.

is meta array? if how extract data "token" value?

thanks

 nsstring *responsedata = [[nsstring alloc]initwithdata:urldata encoding:nsutf8stringencoding];   response ==> {"meta":[],"data":{"token":"ivz2cirkbvtdlul3ymhwotkyxzprr1m3luusrielfwf6t3i6dcxsrwg6di1xcyr6otuzzhhvazdltej7blu5o258d2xrtxg0vuxwqxblnhrsoxd2vxz1ag1rffhqqjjsskkoc2iuotfyykyodyhae2rldxr1adf3rclxwyhomiu="}} 2013-07-19 15:10:23.139 appname [11190:907] {     data =     {         token = "ivz2cirkbvtdlul3ymhwotkyxzprr1m3luusrielfwf6t3i6dcxsrwg6di1xcyr6otuzzhhvazdltej7blu5o258d2xrtxg0vuxwqxblnhrsoxd2vxz1ag1rffhqqjjsskkoc2iuotfyykyodyhae2rldxr1adf3rclxwyhomiu=";     };     meta =     (     ); } 

i believe data in json format. in case, should work.

nserror *error = nil; nsdictionary *responsedict = [nsjsonserialization jsonobjectwithdata:urldata options:0 error:&error]; nsstring *token = [[responsedict objectforkey:@"data"] objectforkey:@"token"];