test.json

[
   [
      {
         "pen":{
            "type":"signature",
            "objectWidth":610.5943718592965,
            "objectHeight":91.08343547003311
         },
         "user":"Unknown User",
         "location":{
            "x":68.99999999999994,
            "y":215.27083588675077
         },
         "time":1672227773157,
         "comments":[
            
         ],
         "id":"88270017-1a12-44e2-97a1-1e03a4253ea5",
         "image":"data:image/svg+xml;utf8,..."
      }
   ],
   [
      
   ],
   [
      
   ]
]