UnrecognizedPropertyException: Unrecognized field "subject"

Caused by: com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "subject" (class org.kie.kogito.index.event.KogitoProcessCloudEvent), not marked as ignorable (16 known properties: "kogitoReferenceId", "kogitoRootProcessId", "kogitoProcessId", "data", "time", "schemaURL", "contentType", "kogitoAddons", "type", "source", "kogitoRootProcessinstanceId", "specversion", "kogitoProcessinstanceId", "kogitoProcessinstanceState", "kogitoParentProcessinstanceId", "id"])
 at [Source: (byte[])"{"id":"7a27db5f-461e-4f00-a0b7-be9ee72aa9f4","source":"http://localhost:8080/travels","type":"ProcessInstanceEvent","time":"2020-08-11T22:05:51.277492+10:00","subject":null,"data":{"id":"df911480-ee36-3815-8672-33897e92f6be","parentInstanceId":null,"rootInstanceId":null,"processId":"travels","rootProcessId":null,"processName":"travels","startDate":"2020-08-11T22:05:50.524+10:00","endDate":null,"state":1,"businessKey":"PJ1JHO","nodeInstances":[{"id":"619519d0-0633-4091-982b-c7762dfcd29a","nodeId""[truncated 1762 bytes]; line: 1, column: 173] (through reference chain: org.kie.kogito.index.event.KogitoProcessCloudEvent["subject"])
        at com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException.from(UnrecognizedPropertyException.java:61)
        at com.fasterxml.jackson.databind.DeserializationContext.handleUnknownProperty(DeserializationContext.java:855)
        at com.fasterxml.jackson.databind.deser.std.StdDeserializer.handleUnknownProperty(StdDeserializer.java:1212)
        at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.handleUnknownProperty(BeanDeserializerBase.java:1604)
        at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.handleUnknownVanilla(BeanDeserializerBase.java:1582)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:299)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:156)
        at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4482)
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3495)
        at org.kie.kogito.index.messaging.AbstractCloudEventDeserializer.deserialize(AbstractCloudEventDeserializer.java:48)