dev-support/atlas-scripts/sample-data/bulk_classification.json

{
  "classification": {
    "typeName":   "FINANCE_PII",
	"attributes": {
	  "type":  "ccn",
	  "notes": "bulk-add"
	}
  },
  "entityGuids": [
    "2f57519a-4ec2-4a0f-b37f-59aeee72a338",
	"dba348f9-bea2-45cc-bbca-38be48855ce3"
  ]
}