def json
      @json ||= begin
                  JSON.parse(osc_message.to_a.first)
                rescue => ex
                  puts ex.message
                  {}
                end
    end
def json
      @json ||= begin
                  JSON.parse(osc_message.to_a.first)
                rescue => ex
                  puts ex.message
                  {}
                end
    end
Actually perform the message unpacking