code: def calculate_size(name, uuid, callable, partition_id):
      
      data_size = 0
      data_size += calculate_size_str(name)
      data_size += calculate_size_str(uuid)
      data_size += calculate_size_data(callable)
      data_size += INT_SIZE_IN_BYTES
      return data_size
docs: Calculates the request payload size