import json

# Read the JSON file
with open('ff.json', 'r') as file:
    data = json.load(file)

# Convert the list of dictionaries into a set of tuples
unique_objects = set(tuple(obj.items()) for obj in data)

# Convert the set of tuples back into a list of dictionaries
filtered_data = [dict(obj) for obj in unique_objects]

# Write the filtered data to a new JSON file
with open('ff-limpio.json', 'w') as file:
    json.dump(filtered_data, file, indent=2)