header {
  gtfs_realtime_version: "2.0"
  incrementality: FULL_DATASET
  timestamp: 1653494039
}
entity {
  id: "1"
  alert {
    active_period {
      start: 1653493560
      end: 1653497160
    }
    informed_entity {
      agency_id: "RIPTA"
    }
    url {
      translation {
        text: ""
      }
    }
    header_text {
      translation {
        text: ""
      }
    }
    description_text {
      translation {
        text: "TEST MESSAGE 1                                                                                                                  "
      }
    }
  }
}