loginFB method
Implementation
Future<SXTuple1<IGLoggedInUser>> loginFB(
String fbuid, String accessToken) async {
_account = await IGAccount.forLogin(fbuid, facebook: true);
final body = {
"dryrun": "true",
"allow_contacts_sync": "false",
"phone_id": "",
"waterfall_id": _makeUUID(toUpperCase: false),
"device_id": _deviceId,
"fb_access_token": accessToken
};
return (await _apiNet.postSignedJson("/fb/facebook_signup", body,
action: IGAPIAction.AuthFBLogin))
.tuple1();
}