replace your.en.url to api.baobab.klaytn.net

[kjhman21]

There are some urls https://your.en.url:8651.

This is also could be good to replace with https://api.baobab.klaytn.net:8651 for easier to use.

https://docs.klaytn.com/dapp/sdk/caver-js/getting-started#sending-klay-at-a-glance

[jiwon-lieb]

#416