curl --request POST \
  --url https://{yourDomain}/api/service/webhook-event/mandate-setup-started \
  --header 'Content-Type: application/json' \
  --data '{
  "id": "<string>",
  "type": "mandate_setup_started",
  "date": "<string>",
  "payload": {
    "referenceId": "<string>",
    "reference": "<string>",
    "userNotificationEmail": "<string>",
    "signature": {
      "ip": "<string>",
      "signedAt": "<any>",
      "token": "<string>"
    },
    "creditor": {
      "id": "<string>",
      "name": "<string>",
      "address": {
        "street": "<string>",
        "city": "<string>",
        "postalCode": "<string>",
        "country": "<string>"
      }
    }
  }
}'