Checking to be an lovely to see

final operations = dartJs.JsObject.jsify([
[
'account_update2',
{
'account': username,
'json_metadata': '',
'posting_json_metadata': jsonEncode(profileMeta)
},
]
]);

  await steemKeychain.requestBroadcast(
    username: username,
    operations: operations,
    keyType: 'Posting',
    callback: dartJs.allowInterop(
      (response) {
        print('requestBroadcast. updateProfile: ${response['message']}');
        print(
            'requestBroadcast update profile  response success: ${response['success']}');
        if (response['success']) {
          // handleKeychainResult(response);
        } else {
          printError('failed to update profile. ${response['message']}');
        }
      },
    ),
  );