curl --request PUT \
  --url https://api.courier.com/audiences/{audience_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "<string>",
  "description": "<string>",
  "filter": {
    "operator": "ENDS_WITH",
    "value": "<string>",
    "path": "<string>"
  }
}'

{
  "audience": {
    "id": "<string>",
    "name": "<string>",
    "description": "<string>",
    "filter": {
      "operator": "ENDS_WITH",
      "value": "<string>",
      "path": "<string>"
    },
    "created_at": "<string>",
    "updated_at": "<string>"
  }
}