Example 9-1 Server-Side Rules in User Subscription beectl> add_user_subscription --source_entity_class Message --attach 5457:7954:wspr:5B5DB5E3F6652295E040578C92165D03000000000456 --subscriber user=user1 --name MyServerSideRule_1 --rule RULE_STATEMENT:CONDITION:created_any_from_contains=beehive...