MOSIP-31735 update to event data structure #21

Job	Run time
build-maven-opencrvs-mediator / maven-build	1m 35s
build-maven-regproc-opencrvs-stage / maven-build	3m 0s
mosip-opencrvs-mediator / build-dockers	22s
registration-processor-opencrvs-stage / build-dockers	4s
	5m 1s

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