non-strict deserializer for request data

[ammokhov]

Issue #, if available:

Description of changes:

prevents deserialization exceptions on any undesired properties

% pre-commit run --all-files
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black....................................................................Passed
Check for case conflicts.................................................Passed
Fix End of Files.........................................................Passed
Mixed line ending........................................................Passed
Trim Trailing Whitespace.................................................Passed
Flake8...................................................................Passed
Pretty format JSON...................................(no files to check)Skipped
Check for merge conflicts................................................Passed
Check Yaml...............................................................Passed
Check blanket noqa.......................................................Passed
check for not-real mock methods..........................................Passed
use logger.warning(......................................................Passed
bandit...................................................................Passed
mypy.....................................................................Passed
pylint-local.............................................................Passed
pytest-local.............................................................Passed

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[srujithpoondla03]

LGTM, probably after this change we need to audit the whole plugin to be in sync with the other plugin's deserialization behavior.

[jaymccon]

LGTM