       ...>     "first_name" => "George",
       ...>     "last_name" => "C.",
       ...>     "uid" => 358,
-      ...>     "user_link" => "http://path/to/comment/user",
       ...>     "user_name" => "george"
       ...>   }
       ...> },

        "color" => "#FFCF0B",
        "fallback" => "George C. commented on nicksergeant's checkin.",
        "mrkdwn_in" => ["text"],
        "text" => "<http://path/to/comment/user|George C.> commented on " <>
          "<https://untappd.com/user/nicksergeant/checkin/567|nicksergeant's " <>
          "checkin> of <https://untappd.com/b/two-lake-ipa/123|IPA> and " <>
          "said:\n>Great beer!"

        "color" => "#FFCF0B",
        "fallback" => "nicksergeant commented on nicksergeant's checkin.",
        "mrkdwn_in" => ["text"],
        "text" => "nicksergeant commented on " <>
          "<https://untappd.com/user/nicksergeant/checkin/567|their " <>
          "checkin> of <https://untappd.com/b/two-lake-ipa/123|IPA> and " <>
          "said:\n>I loved this!"
