toJson method
Implementation
Map<String, dynamic> toJson() {
final data = <String, dynamic>{};
data['id'] = id;
data['email'] = email;
data['address'] = address;
data['device_price'] = devicePrice;
data['app_name'] = appName;
data['app_id'] = appId;
data['created_at'] = createdAt;
data['updated_at'] = updatedAt;
data['key_serial'] = serialNumber;
return data;
}