title: How to update a string by adding a character around a key value pair
body: <p>I'm looking for an update statement to add curly brackets around each key value in the row.
  For example I would like to change this,
  [8254589:false,1956027:false,46523678:false]
  to this,
  [{8254589:false},{1956027:false},{46523678:false}]</p>