### Event Type
- **Type**: `network_total.updated`
- **Required**: Yes

### Fields
- **token**: `uuid` (required)  
  Globally unique identifier.

- **network**: `string` (required)  
  Card network where the transaction took place. Allowed values: `AMEX`, `VISA`, `MASTERCARD`, `MAESTRO`, `INTERLINK`.

- **institution_id**: `string` (required)  
  The institution where the activity occurred. For Mastercard: ICA (Interbank Card Association). For Maestro: institution ID. For Visa: lowest level SRE (Settlement Reporting Entity).

- **settlement_institution_id**: `string` (required)  
  The institution responsible for settlement. For Mastercard: same as `institution_id`. For Maestro: billing ICA. For Visa: Funds Transfer SRE (FTSRE).

- **settlement_service**: `string` (required)  
  Settlement service.

- **report_date**: `date` (required)  
  Date that the network total record applies to. Format: YYYY-MM-DD.

- **cycle**: `integer`  
  The clearing cycle that the network total record applies to (Mastercard only).

- **currency**: `string` (required)  
  3-character alphabetic ISO 4217 code.

- **is_complete**: `boolean` (required)  
  Indicates that all settlement records related to this Network Total are available in the details endpoint.

### Amounts
- **amounts**: `object` (required)
  - **gross_settlement**: `0`
  - **interchange_fees**: `0`
  - **visa_charges**: `0`
  - **net_settlement**: `0`

### Timestamps
- **created**: `date-time` (required)  
  RFC 3339 timestamp for when the record was created. In UTC time zone.

- **updated**: `date-time` (required)  
  RFC 3339 timestamp for when the record was last updated. In UTC time zone.

### Example JSON Output
```json 
{
  "event_type": "network_total.updated",
  "token": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "network": "AMEX",
  "institution_id": "string",
  "settlement_institution_id": "string",
  "settlement_service": "string",
  "report_date": "2026-07-18",
  "cycle": 0,
  "currency": "string",
  "is_complete": true,
  "amounts": {
    "gross_settlement": 0,
    "interchange_fees": 0,
    "visa_charges": 0,
    "net_settlement": 0
  },
  "created": "2026-07-18T00:26:07.512Z",
  "updated": "2026-07-18T00:26:07.512Z"
}
```