How to turn your existing minecraft world into a void world Minecraft Bedrock Windows 10!

Here is the code for the world flat layers

{"biome_id":1,"block_layers":[{"block_data":0,"block_id":0,"count":1},{"block_data":0,"block_id":0,"count":2},{"block_data":0,"block_id":0,"count":1}],"encoding_version":3,"structure_options":null}

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