{
 "result": true,
 "data": {
  "cursor": {
   "id": 0,
   "ns": "test_database.$cmd.listCollections",
   "firstBatch": [
    {
     "name": "test_collection",
     "type": "collection",
     "options": {
      "validator": {
       "$expr": [
        {
         "$gte": [
          "***",
          "***"
         ]
        },
        {
         "$lte": [
          "***",
          "***"
         ]
        }
       ]
      }
     },
     "info": {
      "readOnly": false,
      "uuid": {
       "__B64_BINARY__": "dPhkrb/lR+C9VvX/k/G9OA=="
      }
     },
     "idIndex": {
      "v": 2,
      "key": {
       "_id": 1
      },
      "name": "_id_"
     }
    }
   ]
  },
  "ok": 1
 }
}
