o  client
    Network management name of the user who issued the keepmehere
    call that resulted in the creation of this entity.
 o  higher towers
    Set of higher towers that was passed in the keepmehere call that
    created this entity.
 o  last failure exception (Tru64 UNIX)
    Reason for the most recent update failure. If no update for this
    subentity ever failed, then it is zero.
 o  last failure reason
    DECdns error code that indicates the reason for the last update
    failure.
 o  last successful update
    Time of the last successful update to the DNA$Towers attribute
    for the specified entity. On OpenVMS, if no update for this
    subentity ever failed, then it is zero.
 o  last update completed
    Time that the last attempt to update the DNA$Towers attribute
    completed (successfully or not).
 o  last update started
    Time that the last attempt to update the DNA$Towers attribute for
    the specified entity was initiated.
 o  uid
    Entity's unique identifier, which is generated when the entity is
    created.
 o  user (Tru64 UNIX)
    User name of the user who created this tower maintenance
    subentity with the keepmehere procedure call. This is different
    from client, which refers to a local entity name.