I started with Transpose and Summarize, but ended up with Formula Tool,
as the key names do not always match with the input field names.
SpoilerWorkflow
Formula Tool[payload] = '{ "id": ' + [id] + ', "firstName": ' + [firstName] + ', "lastName": ' + [lastName] + ', "email": ' + [email] + ', "role": ' + [role] + ', "defaultWorkerTag": "", "canScheduleJobs": ' + [canSchedule] + ', "canPrioritizeJobs": ' + [canSetPriority] + ', "canAssignJobs": ' + [canSetWorkerAssignment] + ', "canCreateCollections": ' + [canCreateCollections] + ', "isApiEnabled": ' + [isApiEnabled] + ', "defaultCredentialId": "", "isAccountLocked": ' + [accountLocked] + ', "isActive": ' + [active] + ', "isValidated": ' + [validated] + ', "timeZone": ' + [timezone] + ', "language": ' + [language] + '}'