Push event schema
| Name | Type | Description | Notes |
|---|---|---|---|
| os | String | The OS of the device. | |
| contact | String | The UID of the contact. | |
| messageHash | String | The hash of the campaign related to the notification. | |
| event | String | The event to register (opened, canceled). | |
| deviceId | Integer | The E-goi's ID of the device. |