sms_conversation.rb

#   2020-03-03 Organization Sent this message by Campaign ABC: "You owe $66" <-- this is the
#   "campaign message" object
#
#   2020-03-05 Debtor said: "Hey there - I paid this online yesterday"
#
#   2020-03-05 conversation marked as "requires attention". <-- could be hidden/implied and not
#   shown
#
#   2020-03-06 Organization said: "We received the update, thanks! Will mark this as resolved."
#   ^^^ "campaign message" object, this is just a "reply".
#
#   2020-03-06 conversation marked as _resolved_.
#
#   2020-04-03 Organization Sent this message by Campaign DEF: "You owe $77" <-- "campaign message"
#
#   2020-05-03 Organization Sent this message by Campaign GHI: "You owe $154" <-- "campaign message"
#
#   2020-05-06 Debtor said: "Hi - I just paid $77. The other $77 will come in one week"
#
#   2020-05-07 Organization said: "Thanks for letting us know - I'll make a note!" <--
#
#   2020-05-06 Marked as _follow-up required_
#   2020-05-06 Note added: "promise to pay on 2020-05-13, check on 2020-05-16".
#
#   2020-05-16 Organization marked this "debtor" as _resolved_.