TMPL_140_tcmd.txt
Command: 4-byte integer (char)

TMPL_137_asst.txt
filler: 2-byte integer (decimal)
# of items: list (2-byte one-based item count)
  next action: 4-byte integer (char)
  prev action: 4-byte integer (char)
  titleID: 2-byte integer (decimal)
  pictID: 2-byte integer (decimal)