{
  "id": "fleet.positions.current.v1",
  "version": "1.0.0",
  "ontologyRevision": "ontology.map.moving_object.v1",
  "deliveryMode": "snapshot+patch",
  "semanticTypes": [
    "map.moving_object"
  ],
  "fields": [
    "course_degrees",
    "display_name",
    "elevation_meters",
    "geometry",
    "hdop",
    "horizontal_accuracy_meters",
    "object_kind",
    "operational_status",
    "position_source",
    "position_valid",
    "quality_flags",
    "satellite_count",
    "speed_kph"
  ],
  "history": {
    "mode": "sampled",
    "intervalMs": 60000,
    "strategy": "latest-per-entity-per-bucket",
    "retentionDays": 90
  }
}