{ "topic": "com.acme/the_policy_id/policies/commands/modify", "headers": { "content-type": "application/vnd.eclipse.ditto+json" }, "path": "/entries/the_label", "value": { "subjects": { "google:the_subjectid": { "__schemaVersion": 2, "type": "yourSubjectTypeDescription" } }, "resources": { "thing:/the_resource_path": { "__schemaVersion": 2, "grant": [ "READ", "WRITE" ], "revoke": [] } } } }