curl --request PUT \
  --url https://sis.sumvin.com/v0/organisation/{org_id}/environments/{env_id}/features/{feature} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "enabled": true,
  "config": {}
}
'

{
  "_links": {
    "self": {
      "href": "<string>",
      "method": "GET",
      "templated": false,
      "description": "<string>"
    },
    "environment": {
      "href": "<string>",
      "method": "GET",
      "templated": false,
      "description": "<string>"
    }
  },
  "feature": {
    "feature": "<string>",
    "enabled": true,
    "config": {},
    "created_at": 123,
    "updated_at": 123
  }
}