{description: Indication of the reason the entity signed the object(s), package_name: hl7.fhir.r6.search, name: signature-type, type: token, package_version: 6.0.0-ballot4, class: unknown, kind: null, url: 'http://hl7.org/fhir/SearchParameter/Provenance-signature-type', version: 6.0.0-ballot4}