0 vote against accept Friend, now it worked, but I was left with a doubt ... Regarding the accent, it is not accepting accentuation.
I tried the following ways, but there was no way:
var config = { headers: { 'Content-Type': 'application / json; charset = iso-8859-1' } };
var config = { headers: { 'Content-Type': 'application / json; charset = utf-8' } };