| Name | Type | Description | Notes |
|---|---|---|---|
| isDefault | String | Boolean that specifies whether the signature is the default signature for the user. | [optional] |
| rights | String | Indicates whether the property is editable. Valid values are: - `editable` - `read_only` | [optional] |
| userId | String | The ID of the user to access. Generally this is the ID of the current authenticated user, but if the authenticated user is an Administrator on the account, `userId` can represent another user whom the Administrator is accessing. | [optional] |
| userName | String | The name of the user. | [optional] |