json

gistfile1.txt

test=> (class j)
clojure.lang.PersistentVector

test=> (class (first j))
clojure.lang.PersistentHashMap

test=> (keys (first j)) 
(:timestamp :instance :entityId :producer :entityName :properties :type :id :eventClass :category)

test=> (class (:properties (first j)))
clojure.lang.PersistentVector

test=> (count (:properties (first j)))
274

test=> (take 1 (:properties (first j))) 
({:name "blah", :newValue "aaaa", :oldValue "bbbb"})

test=> (class (take 1 (:properties (first j))))
clojure.lang.LazySeq


test=> (pprint (take 1 (:properties (first j))))
({:name "blah",
  :newValue "aaaa",
  :oldValue "bbbb"})
nil
test=> (:name (take 1 (:properties (first j)))) 
nil

test=> (class (take 1 (:properties (first j)))) 
clojure.lang.LazySeq