message: [server] check if objects exists
diff: @@ -118,6 +118,10 @@ module.exports = ( app ) => {
  let obj = await getObject( { streamId: req.params.streamId, objectId: req.params.objectId } )
  + if ( !obj ) {
  + return res.status( 404 ).send( `Failed to find object ${req.params.objectId}.` )
  + }
  +
  res.send( obj.data )
  } )
  }
  