{ "rules_pece_artfact_change" : {
    "LABEL" : "PECE Artfact Change",
    "PLUGIN" : "reaction rule",
    "OWNER" : "rules",
    "REQUIRES" : [ "rules" ],
    "ON" : { "node_update" : [] },
    "IF" : [
      { "NOT data_is" : { "data" : [ "node:author" ], "value" : 
      [ "site:current-user" ] } }
    ],
    "DO" : [
      { "drupal_message" : { "message" : "Artifact \u0022[node:title]\u0022 
        has been updated." } }
    ]
  }
}