quantized-mesh
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What's the text encoding for the Metadata JSON?
Is it UTF-8, ASCII, something else?
I see that JSON spec requires UTF-8, but I have a different question. Looking at sample terrain tiles served from Cesium, I see that the metadata body has it's own nested length header, e.g. 68 bytes of JSON has an extension length of 72, which includes the 68 bytes plus 4-byte header with the integer value 68. That's not clear in the spec.