Owned entity causing json serialization error in Google javascript api client

Owned entity causing json serialization error in Google javascript api client

References

Reference NO 1

http://stackoverflow.com/questions/15193944/owned-entity-causing-json-serialization-error-in-google-javascript-api-client

Reference NO 2

http://stackoverflow.com/questions/18389936/best-way-to-model-nested-entities

Reference NO 3

http://stackoverflow.com/questions/8955450/how-to-deserialize-json-starting-with-an-array-via-google-api-client

Reference NO 4

http://stackoverflow.com/questions/15043532/message-java-lang-nullpointerexception-when-trying-to-insert-entity-via-api

Reference NO 5

http://stackoverflow.com/questions/tagged/google-cloud-endpoints?page=2&sort=unanswered

Reference NO 6

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Reference NO 7

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Reference NO 8

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