flutter code:102,message:expecting to receive a content-type of application\/json. code example

Example: can we send raw json in get method in flutter

final queryParameters = {
  'name': 'Bob',
  'age': '87',
};
final uri = Uri.http('www.example.com', '/path', queryParameters);
final headers = {HttpHeaders.contentTypeHeader: 'application/json'};
final response = await http.get(uri, headers: headers);