Subscribe to property event alerts (currently only available through email notifications) for those properties.<br><b>Note: This endpoint is NOT additive</b> <br>i.e. Multiple calls to this endpoint on the same property will keep overwriting the subscription with the eventTypes passed in the latest request.<br><b>Example :</b> <br> <ul><li>Subscribe to property X for 'ForSale' event</li><li>Subscribe to property X for 'ForRent' event</li><li>After these 2 calls X is only subscribed for 'ForRent'</li></ul>