text: sensor_meta {
      name: "velodyne64"
      type: VELODYNE_64
      orientation: FRONT
  }
  
  sensor_meta {
      name: "radar"
      type: LONG_RANGE_RADAR
      orientation: FRONT
  }
  
  sensor_meta {
      name: "front_camera"
      type: MONOCULAR_CAMERA
      orientation: FRONT
  }
  