{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898769,-0.438423,0.000000,0.000000,0.283220,-0.580603,0.763339,0.000000,-0.333725,0.684137,0.648524,0.000000,-2131545.216199,4369678.075250,4114482.638223,1],    "boundingVolume": {    "region": [2.024557,0.705585,2.024722,0.705704,0.000000,8.416311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1832624.b3dm"}}}