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Validate request using schema (TBD)
Check if any at least one of allowed field is submitted and have has value:
first_name
last_name
second_name
gender
external_id
birth_date
emergency_contact
confidant_person
In case of error - return 422 (Schema validation failed)
Check if any forbidden field is submitted:
note
status
In case of error - return 422 (Schema validation failed)
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