post https://api.shasta.trongrid.io/wallet/getdelegatedresourceaccountindexv2
查询在Stake2.0机制下，某地址的资源委托索引。返回两个列表，一个是该帐户将资源委托给的地址列表(toAddress)，另一个是将资源委托给该帐户的地址列表(fromAddress)
Click
Try It! to start a request and see the response here!