{merchantId}
, {placeId}
, {dataDomain}
) to distinguish different requests. For example setting up https://example.com/webhook/{merchantId}/{placeId}/?domain={dataDomain} as the URL would lead to requests such as https://example.com/webhook/5dea5ec89e01eb0015219138/5dea5ec89e01eb0015219139/?domain=bills.