{
  "resourceType" : "Device",
  "id" : "cgmDeviceExample",
  "identifier" : [{
    "system" : "http://acme.com/devices",
    "value" : "456789"
  }],
  "serialNumber" : "ABC123",
  "deviceName" : [{
    "name" : "Acme CGM System",
    "type" : "user-friendly-name"
  }]
}