Request webhook management link

curl --request POST \
  --url https://api.enterprise.sandbox.uphold.com/core/webhooks/management-link \
  --header 'Authorization: Bearer <token>'

{
  "managementLink": {
    "url": "https://app.svix.com/login?primaryColorLight=49CC68&primaryColorDark=35B13D&icon=https%3A%2F%2Fcdn.uphold.com%2Fimages%2Fuphold.svg&fontFamily=Rubik&fontSize=16#key=eyJhcHBJZCI6ImFwcF8yb2hSQ2tVTHlrYm1xc0xSaUczVnhITERJRzIiLCJvbmVUaW1lVG9rZW4iOiItMXJWNGZGdUdEa1dXMlFnZG9mWWRydXpjZ2hVcGRuNiIsInJlZ2lvbiI6InVzIn0=",
    "expiresAt": "2025-03-01T17:40:28.707594166Z"
  }
}