curl --request POST \
  --url https://pub-api.conversion.ai/api/v1/activities/batch \
  --header 'Content-Type: application/json' \
  --data '
{
  "batch": [
    {
      "contactEmail": "<string>",
      "data": {},
      "description": "<string>",
      "id": "<string>",
      "name": "<string>",
      "type": "<string>"
    }
  ]
}
'

{
  "data": true,
  "httpStatus": 123,
  "message": "<string>"
}