{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951053,-0.309029,0.000000,0.000000,0.172575,-0.531111,0.829542,0.000000,-0.255813,0.787279,0.561027,0.000000,-1633332.926352,5026674.223760,3558100.452575,1],    "boundingVolume": {    "region": [1.884895,0.595516,1.885041,0.595735,0.000000,8.740965]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1421620.b3dm"}}}