Example request

{
  "invocation-information": {
    "csarID": "Ubuntu_On_VSphere.csar",
    "serviceTemplateID": "{http://opentosca.org/servicetemplates}Ubuntu_On_VSphere",
    "serviceInstanceID": "http://localhost:1337/containerapi/instancedata/serviceInstances/1",
    "nodeTemplateID": "VSphere_5_5",
    "interface": "CloudProviderInterface",
    "operation": "createVM"
  },
  "params": {
    "VMType": "m1.medium.template4",
    "VMImageID": "ubuntu-14.04-trusty-server-cloudimg",
    "VMUserPassword": "ubuntu"
  }
}