There are two ways, in which this task can be done, so we are open for any solution. We have tried using VA Rest Plugin and or writing a google json content in Json file and stuck with both issues. We have posted over answers.unreal engine and forums too.
https://answers.unrealengine.com/que…tp-in-ue4.html
https://forums.unrealengine.com/comm…va-rest-plugin
We are ready to pay for solving the issue.