web3-typesInterfacesJsonRpcSubscriptionResultOldOn this pageJsonRpcSubscriptionResultOld <T>Type parametersT = JsonRpcResultIndex PropertiesdataerrorparamstypeProperties readonlydatadata: SubscriptionParams<T>optionalreadonlyerrorerror?: undefinedoptionalreadonlyparamsparams?: undefinedreadonlytypetype: string