{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858204,-0.513309,0.000000,0.000000,0.262646,-0.439119,0.859181,0.000000,-0.440246,0.736051,0.514211,0.000000,-2810440.658393,4698792.023443,3260637.320175,1],    "boundingVolume": {    "region": [2.109750,0.540024,2.109914,0.540150,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_40655.b3dm"}}}