{
  "name" : "Name",
  "description" : "Description",
  "elements" : [ {
    "tag" : "externalService",
    "background" : "#444444"
  }, {
    "tag" : "prebuildContainer",
    "background" : "#4caf50"
  }, {
    "tag" : "database",
    "shape" : "Cylinder"
  } ]
}