## What ❔
Customize RUST_LOG variable
## Why ❔
There're lot of packages used for EN and each of them has their own
logging verbosity
## Checklist
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<!-- For draft PRs check the boxes as you complete them. -->
- [ ] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [ ] Documentation comments have been added / updated.
## What ❔
Logs in json format and option for set verbosity level for rust
## Why ❔
It can be useful for specify verbose level.
## Checklist
<!-- Check your PR fulfills the following items. -->
<!-- For draft PRs check the boxes as you complete them. -->
- [x] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [x] Documentation comments have been added / updated.
