Check the status of an address import session
status: Current state of the session (“PROCESSING”, “COMPLETED”, “FAILED”, etc.)progress: Detailed metrics about the import operation
total: Total number of addresses in the import batchprocessed: Number of addresses that have been processed so farsuccessful: Number of addresses successfully importedfailed: Number of addresses that failed to import-1 progress values indicates that the session doesn’t existprocessed equals total)successful and failed will equal total