{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897942,-0.440114,0.000000,0.000000,0.282471,-0.576311,0.766861,0.000000,-0.336570,0.686686,0.644347,0.000000,-2149679.711590,4385878.465559,4087903.543911,1],    "boundingVolume": {    "region": [2.026459,0.700134,2.026586,0.700203,0.000000,8.081776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/0_883474.b3dm"}}}