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

{
  "id": "1b890475-1482-496d-bcfd-6b2f5564b249",
  "code": "1234",
  "name": "Segment Name",
  "import_id": "9f87bd3e-32eb-4d15-8e85-17fb275fa809",
  "description": "segment description",
  "cpm": 2,
  "categories": [
    "category_1"
  ],
  "updated_at": "2023-04-12T11:27:00.716632Z"
}