{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897568,-0.440876,0.000000,0.000000,0.286103,-0.582470,0.760837,0.000000,-0.334484,0.680967,0.651464,0.000000,-2136421.270687,4349482.781088,4133183.166806,1],    "boundingVolume": {    "region": [2.027295,0.709398,2.027447,0.709626,0.000000,16.731865]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1780075.b3dm"}}}