AdminDelete removes the guestbook message with the given ID. The user will still be marked as having submitted a message, so they won't be able to re-submit a new message.
Command
# WARNING: This command is running in an INSECURE mode.
# It is strongly recommended to use a hardware device for signing
# and avoid trusting any computer connected to the internet,
# as your private keys could be exposed.
gnokey maketx call -pkgpath "gno.land/r/morgan/guestbook" -func "AdminDelete" -args "" -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" -broadcast -chainid "staging" -remote "https://rpc.gno.land:443" ADDRESSgnokey query -remote "https://rpc.gno.land:443" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/morgan/guestbook" -func "AdminDelete" -args "" -gas-fee 1000000ugnot -gas-wanted 5000000 -send "" ADDRESS > call.tx
gnokey sign -tx-path call.tx -chainid "staging" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "https://rpc.gno.land:443" call.tx