Empty Result
{ "AnnounceKey": { "user": "wuzhe16.testnet", "key": "ed25519:5fkD9wECRh6auct9esepmEmBTJxgagnn1bkK59C9SFkZ" }}
{
"AnnounceKey": {
"user": "wuzhe16.testnet",
"key": "ed25519:5fkD9wECRh6auct9esepmEmBTJxgagnn1bkK59C9SFkZ"
}