Changes to Fetch a Balance Entry

the response property description became nullable for the status 200

the response property parent_balance_entry_id became nullable for the status 200

the response property transaction_date became nullable for the status 200

the response property wire_details/external_reference_number became nullable for the status 200

removed the optional property wire_details/_links from the response with the 200 status

added the optional property _links to the response with the 200 status