method return sender=:1.29 -> dest=:1.148 reply_serial=2
   array [
      struct {
         object path "/ril_0"
         array [
            dict entry(
               string "Online"
               variant                   boolean false
            )
            dict entry(
               string "Powered"
               variant                   boolean false
            )
            dict entry(
               string "Lockdown"
               variant                   boolean false
            )
            dict entry(
               string "Emergency"
               variant                   boolean false
            )
            dict entry(
               string "Interfaces"
               variant                   array [
                  ]
            )
            dict entry(
               string "Features"
               variant                   array [
                  ]
            )
            dict entry(
               string "Type"
               variant                   string "hardware"
            )
         ]
      }
   ]