Maybe:

```
$ jq '.[]|.[]|map({"key": .field, "value":.value})|from_entries|del(."@ptr")' file.json |
 mlr --ijson --opprint --barred cat
+-------------------------+-------------+-------------------+----------------+----------------+
| @timestamp | CpuReserved | CpuUtilized | MemoryReserved | MemoryUtilized |
+-------------------------+-------------+-------------------+----------------+----------------+
| 2023-07-03 08:28:00.000 | 8192.0 | 4056.412942708333 | 61440 | 4311 |
| 2023-07-03 08:28:00.000 | 8192.0 | 4056.412942708333 | 61440 | 4311 |
+-------------------------+-------------+-------------------+----------------+----------------+
```

Without `--barred`, that looks like:

<pre>
<b>@̱ṯi̱m̱e̱s̱ṯa̱m̱p̱</b> <b>C̱p̱u̱Ṟe̱s̱e̱ṟv̱e̱ḏ</b> <b>C̱p̱u̱U̱ṯi̱ḻi̱ẕe̱ḏ</b> <b>M̱e̱m̱o̱ṟy̱Ṟe̱s̱e̱ṟv̱e̱ḏ</b> <b>M̱e̱m̱o̱ṟy̱U̱ṯi̱ḻi̱ẕe̱ḏ</b>
2023-07-03 08:28:00.000 8192.0 4056.412942708333 61440 4311
2023-07-03 08:28:00.000 8192.0 4056.412942708333 61440 4311
</pre>