sample-process-models/misc/test/call-activity/process_model.json

{
    "description": "Call Activity",
    "display_name": "for Call Activity with Manual Task",
    "display_order": 44,
    "exception_notification_addresses": [],
    "fault_or_suspend_on_exception": "fault",
    "files": [],
    "primary_file_name": "For Call Activity.bpmn",
    "primary_process_id": "Process_123"
}