curl --request POST \
  --url https://api.pocketflows.com/campaign_templates/{id}/campaign_drafts \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '{
  "business": "<string>"
}'

{
  "name": "<string>",
  "enrolled_customers": [
    "<string>"
  ],
  "segment": "<string>",
  "steps": [
    {
      "type": "email",
      "custom_step_id": "<string>",
      "email_template_id": "<string>"
    }
  ]
}