> echo hello
-> code: OK
-> data: hello
-> data.hex: 0x68656C6C6F

> info 
-> code: OK
-> data: {"size":0}
-> data.hex: 0x7B2273697A65223A307D

> commit 
-> code: OK
-> data.hex: 0x0000000000000000

> deliver_tx "abc"
-> code: OK

> info 
-> code: OK
-> data: {"size":1}
-> data.hex: 0x7B2273697A65223A317D

> commit 
-> code: OK
-> data.hex: 0x0200000000000000

> query "abc"
-> code: OK
-> log: exists
-> height: 2
-> key: abc
-> key.hex: 616263
-> value: abc
-> value.hex: 616263

> deliver_tx "def=xyz"
-> code: OK

> commit 
-> code: OK
-> data.hex: 0x0400000000000000

> query "def"
-> code: OK
-> log: exists
-> height: 3
-> key: def
-> key.hex: 646566
-> value: xyz
-> value.hex: 78797A