from kalshi_python.models.milestone import Milestone# Create an instance with example datamilestone_instance = Milestone( # Add required fields here)# Convert to JSON stringjson_str = milestone_instance.to_json()print(json_str)# Create from JSON stringmilestone_from_json = Milestone.from_json(json_str)# Convert to dictmilestone_dict = milestone_instance.to_dict()# Create from dictmilestone_from_dict = Milestone.from_dict(milestone_dict)