{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898785,-0.438389,0.000000,0.000000,0.283121,-0.580454,0.763489,0.000000,-0.333765,0.684286,0.648347,0.000000,-2131800.221899,4370620.899312,4113356.546924,1],    "boundingVolume": {    "region": [2.024519,0.705352,2.024684,0.705471,0.000000,10.170335]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1831689.b3dm"}}}