### Event Type
- **Type**: `card.updated`

### Previous Fields
- **Object**: 
  - **State**: 
    - Type: string
    - Required: Yes

### Card Token
- **Type**: uuid
- **Required**: Yes

### Response
```
200
```
- Return a 200 status to indicate that the data was received successfully

### Example
```json
{
  "event_type": "card.updated",
  "previous_fields": {
    "state": "PAUSED"
  },
  "state": "OPEN",
  "card_token": "00000000-0000-0000-0000-000000000000"
}
```