curl --request PUT \
  --url https://sis.sumvin.com/v0/organisation/{org_id}/environments/{env_id}/auth \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "provider": "dynamic",
  "dynamic": {
    "environment_id": "<string>",
    "api_key": "<string>"
  },
  "privy": {
    "app_id": "<string>",
    "api_key": "<string>"
  }
}
'

{
  "_links": {
    "self": {
      "href": "<string>",
      "method": "GET",
      "templated": false,
      "description": "<string>"
    },
    "environment": {
      "href": "<string>",
      "method": "GET",
      "templated": false,
      "description": "<string>"
    }
  },
  "auth": {
    "provider": "<string>",
    "is_active": true,
    "created_at": 123,
    "updated_at": 123,
    "credentials": {
      "environment_id": "<string>",
      "api_key": "<string>"
    }
  }
}