src/main/resources/org.apache.sling.serviceusermapping.impl.ServiceUserMapperImpl.amended~sling-jcr-resource.cfg.json

{
  "user.mapping": [
    "org.apache.sling.jcr.resource:observation=[sling-readall]",
    "org.apache.sling.jcr.resource:validation=[sling-readall]"
  ]
}