Jun  3 07:00:23 Tim-Stacks-iMac.local sudo[2326]:    stack : TTY=ttys002 ; PWD=/ ; USER=root ; COMMAND=/bin/ls
 key  53:53                                                      ^                                                           
word  53:58                                                       ^---^                                                      stack
 val  53:58                                                       ^---^                                                      stack
pair  53:58                                                       ^---^                                                      stack
 key  61:64                                                               ^-^                                                TTY
 sym  65:72                                                                   ^-----^                                        ttys002
 val  65:72                                                                   ^-----^                                        ttys002
pair  61:72                                                               ^---------^                                        TTY=ttys002
 key  75:78                                                                             ^-^                                  PWD
path  79:80                                                                                 ^                                /
 val  79:80                                                                                 ^                                /
pair  75:80                                                                             ^---^                                PWD=/
 key  83:87                                                                                     ^--^                         USER
word  88:92                                                                                          ^--^                    root
 val  88:92                                                                                          ^--^                    root
pair  83:92                                                                                     ^-------^                    USER=root
 key  95:102                                                                                                ^-----^          COMMAND
path 103:110                                                                                                        ^-----^  /bin/ls
 val 103:110                                                                                                        ^-----^  /bin/ls
pair  95:110                                                                                                ^-------------^  COMMAND=/bin/ls
msg         :    stack : TTY=ttys002 ; PWD=/ ; USER=root ; COMMAND=/bin/ls
format      :    # : TTY=# ; PWD=# ; USER=# ; COMMAND=#
{
    "col_0": "stack",
    "TTY": "ttys002",
    "PWD": "/",
    "USER": "root",
    "COMMAND": "/bin/ls"
}