code: function(compressedData) {
      var inflatedData =  zlib.inflateSync( new Buffer(compressedData, 'base64'));
      var outputString = "[" + String.fromCharCode.apply(null,inflatedData) + "]";
      var outputArray = JSON.parse(outputString);
      return ArrayConverter.diffsToValues(outputArray);
    }
docs: Decompress compressed string data
  
  @param  {String} compressedData
  @return {array<number>} decompressed data