curl --request POST \
  --url https://api.permutive.app/audience-api/v1/imports/{importId}/segments \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "segment",
  "code": "1234",
  "description": "segment description",
  "cpm": 2,
  "categories": [
    "category1"
  ]
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "code": "<string>",
  "name": "<string>",
  "importId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "updatedAt": "2023-11-07T05:31:56Z",
  "description": "<string>",
  "cpm": 123,
  "categories": [
    "<string>"
  ]
}