The Porosity, Permeability, Grain Density and Saturation are object type and not array in rca content schema

https://community.opengroup.org/osdu/platform/domain-data-mgmt-services/rock-and-fluid-sample/rafs-ddms-services/-/blob/main/app/models/data_schemas/jsonschema/rca_data_schema.json

Per sample, it is expected to have multiple permeability measurements for example for different confining pressure (condition) or different orientation.