Get a remote machine by id

{
    "allowlisted": false,
    "description": "Development workstation",
    "employee_email": "user@example.com",
    "external_id": "remote-session-abc123",
    "id": "8CA67511-744C-4D74-B26E-7281CF88712F",
    "last_seen": "2021-01-15T00:00:00Z",
    "name": "workstation-01",
    "source": "unspecified"
}