Example of Scene with a Box and a Light.

{"metadata": {"version":4.3,"type":"Object","generator":"ObjectExporter"},"geometries": [{"uuid":"C3BF1E70-0BE7-4E6D-B184-C9F1E84A3423","type":"BufferGeometry","data": {"attributes": {"position": {"itemSize":3,"type":"Float32Array","array": [50,50,50,...]},"normal": {"itemSize":3,"type":"Float32Array","array": [1,0,0,...]},"uv": {"itemSize":2,"type":"Float32Array","array": [0,1,...]}},"boundingSphere": {"center": [0,0,0],"radius":86.60254037844386}}}],"materials": [{"uuid":"87D95D6C-6BB4-4B8F-8166-A3A6945BA5E3","type":"MeshPhongMaterial","color":16777215,"ambient":16777215,"emissive":0,"specular":1118481,"shininess":30,"opacity":1,"transparent":false,"wireframe":false}],"object": {"uuid":"89529CC6-CBAC-412F-AFD1-FEEAE785BA19","type":"Scene","matrix": [1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],"children": [{"uuid":"33FA38D9-0AAC-4657-9BBE-5E5780DDFB2F","name":"Box 1","type":"Mesh","geometry":"C3BF1E70-0BE7-4E6D-B184-C9F1E84A3423","material":"87D95D6C-6BB4-4B8F-8166-A3A6945BA5E3","matrix": [1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]},{"uuid":"16F2E381-2B73-44C4-A7BB-38D7E1CD2381","name":"PointLight 1","type":"PointLight","color":16777215,"intensity":1,"distance":0,"matrix": [1,0,0,0,0,1,0,0,0,0,1,0,100,200,150,1]}]}}

Example of scene with a simple indexed BufferGeometry plane

{"metadata":{"version":4.3,"type":"Object","generator":"ObjectExporter"},"textures":[],"images":[],"geometries":[{"uuid":"0A8F2988-626F-411C-BD6A-AC656C4E6878","type":"BufferGeometry","data":{"attributes":{"position":{"itemSize":3,"type":"Float32Array","array":[1,1,0,1,-1,0,-1,-1,0,-1,1,0],"normalized":false},"normal":{"itemSize":3,"type":"Float32Array","array":[0,0,1,0,0,1,0,0,1,0,0,1],"normalized":false},"uv":{"itemSize":2,"type":"Float32Array","array":[1,1,1,0,0,0,0,1],"normalized":false}},// type of index must be Uint8Array or Uint16Array.// # vertices thus cannot exceed 255 or 65535 respectively.// The current parser is able to read the index array// if it is nested in the attributes object, but such// syntax is no longer encouraged."index":{"type":"Uint16Array","array":[0,1,2,0,2,3]},"boundingSphere":{"center":[0,0,0],"radius":1}}}],"materials":[],"object":{"uuid":"378FAA8D-0888-4249-8701-92D1C1F37C51","type":"Scene","matrix":[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],"children":[{"uuid":"E7B44C44-DD75-4C29-B571-21AD6AEF0CA9","name":"SharedVertexTest","type":"Mesh","geometry":"0A8F2988-626F-411C-BD6A-AC656C4E6878","matrix":[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}]}}