NXSD validation in OIC

Organization Name (Required - If you are an Oracle Partner, please provide the organization you are logging the idea on behalf of): Oracle

Description (Required):

Currently the nxsd validation are deprecated and may get deleted from future versions of OIC can thus be retained or any other feature can be added for validation of input payload with the schema in OIC

Use Case and Business Need (Required):

If there is a need to validate the input file coming from source system then we need to use nxsd validate directive but this is deprecated now. Its good to retain this or provide another way to validate against schema.