ID           one
 Size         2
 Index        3
 Term         4
 Version      1

 Type       Count      Size
 ----       ----       ----
 msg        2          1B
 ----       ----       ----
 Total                 1B

 Key Name      Count      Size
 ----          ----       ----
 msgKV         2          1B
 ----          ----       ----
 Total                    1B