<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <infoTable>
       <nameOfIssuer>LendingClub Corporation</nameOfIssuer>
       <titleOfClass>Common Stock</titleOfClass>
       <cusip>52603A109</cusip>
       <value>33233</value>
       <shrsOrPrnAmt>
           <sshPrnamt>10132144</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>0</Sole>
           <Shared>10132144</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>On Deck Capital, Inc.</nameOfIssuer>
       <titleOfClass>Common Stock</titleOfClass>
       <cusip>682163100</cusip>
       <value>3271</value>
       <shrsOrPrnAmt>
           <sshPrnamt>788280</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>0</Sole>
           <Shared>788280</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>USA Technologies, Inc.</nameOfIssuer>
       <titleOfClass>Common Stock</titleOfClass>
       <cusip>90328S500</cusip>
       <value>3522</value>
       <shrsOrPrnAmt>
           <sshPrnamt>474066</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>0</Sole>
           <Shared>474066</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>Uber Technologies, Inc.</nameOfIssuer>
       <titleOfClass>Common Stock</titleOfClass>
       <cusip>90353T100</cusip>
       <value>34801</value>
       <shrsOrPrnAmt>
           <sshPrnamt>750354</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>OTR</investmentDiscretion>
       <votingAuthority>
           <Sole>0</Sole>
           <Shared>750354</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
</informationTable>
