curl --request DELETE \
  --url 'https://api.nsr.stateset.com/api/v1/entities/batch' \
  --header 'X-API-Key: YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "ids": [
    "string"
  ]
}'

{
  "deleted": 1,
  "not_found": 1
}