9. GetLocalBlockBody to obtain local chain block body data

*Parameter: hid, super block number

id, sub block number

chain_ num, sub chain number

*Example: http://127.0.0.1:8080/GetLocalBlockBody?hid=10&id=1&chain_num=1

*Return example:

{
  "auth":"",
  "payload":"192.168.0.8-9",
  "script":""
}