ReadonlyactionOptional Readonlyparcelid of an existing Parcel.
Either `parcelId` or `parcelKey` must be provided.
Optional Readonlyparcelkey of an existing Parcel.
Either `parcelId` or `parcelKey` must be provided.
Optional ReadonlytrackingValue to set. If empty, any existing value will be removed.
Produces the ParcelTrackingDataUpdated Message.