`subteam_members_changed`: Failed to parse to a known event

[bwbaugh]

Object (fromList [("team_id",String "TREDACTED"),("removed_users",Array []),("removed_users_count",Number 0.0),("subteam_id",String "SREDACTED"),("event_ts",String "1526332273.000322"),("date_previous_update",Number 1.525711811e9),("date_update",Number 1.526332273e9),("added_users",Array [String "UREDACTED"]),("type",String "subteam_members_changed"),("added_users_count",Number 1.0)])
Failed to parse to a known event
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