def __init__(self, unique_identifier=None):
super(GetUsageAllocationResponsePayload, self).__init__(<EOL>enums.Tags.RESPONSE_PAYLOAD<EOL>)<EOL>self._unique_identifier = None<EOL>self.unique_identifier = unique_identifier<EOL>
Construct a GetUsageAllocation response payload struct.

Args:
    unique_identifier (string): The ID of the managed object (e.g.,
        a public key) that was allocated. Optional, defaults to None.