v3.3.7: fix nesting in contract list result type

src/contract-client.ts

@@ -24,6 +24,7 @@ import {
   PaginatedResult,
   ContractHistoricOrder,
   ContractSymbolTicker,
+  ContractListResult,
 } from './types';
 import { REST_CLIENT_TYPE_ENUM } from './util';
 import BaseRestClient from './util/BaseRestClient';
@@ -70,7 +71,7 @@ export class ContractClient extends BaseRestClient {
   getSymbolTicker(
     category: UMCategory | '',
     symbol?: string
-  ): Promise<APIResponseV3<ContractSymbolTicker[]>> {
+  ): Promise<APIResponseV3<ContractListResult<ContractSymbolTicker[]>>> {
     return this.get('/derivatives/v3/public/tickers', { category, symbol });
   }