1. A system for requesting data, comprising: an input interface configured to: receive a manifest comprising sensor information associated with a plurality of events; and a processor configured to: sort the plurality of events by event importance, wherein the event importance is based at least in part on the subset of the sensor information and contextual information relating to the plurality of events; select at least one event from the plurality of events according to an event importance associated with the at least one event; and an output interface configured to: request additional information for the selected at least one event.