{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897926,-0.440146,0.000000,0.000000,0.282518,-0.576354,0.766812,0.000000,-0.336573,0.686630,0.644405,0.000000,-2149698.056807,4385520.358980,4088275.566452,1],    "boundingVolume": {    "region": [2.026494,0.700211,2.026621,0.700279,0.000000,9.679882]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_883952.b3dm"}}}