cljs thiing

sub:
(register-sub
  :tags
  (fn [db _]
    (reaction (vals (:tags @db)))))

handler:
(register-handler
  :add-tag
  (fn [db [text]]
    (assoc db :tags [{:text "foo"}])))
    
    
(defn tag-box []
  (let [tags (subscribe [:tags])]
    (fn []
      [:div {:class "tag-box"}
       (when (= (count @tags) 0)
         [:span {:class "subtle-text"} "Your current tags will appear here."])
       (for [tag @tags]
        [:li (:text tag)])])))
        
Problem:
Error rendering component  (
  in foo.bar.views.marketing_builder_app > 
  foo.bar.views.tag_builder_view > 
  foo.bar.views.tag_box)
core.cljs:7889 Uncaught TypeError: me.cljs$core$IMapEntry$_val$arity$1 is not a function


What is @tags?
c…s.c…e.ValSeq {mseq: c…s.c…e.IndexedSeq, _meta: null, cljs$lang$protocol_mask$partition0$: 32374988, cljs$lang$protocol_mask$partition1$: 0}
_meta: null
cljs$lang$protocol_mask$partition0$: 32374988
cljs$lang$protocol_mask$partition1$: 0
mseq: 
({:text "foo"})
__proto__: cljs.core.ValSeq