{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897929,-0.440140,0.000000,0.000000,0.282552,-0.576434,0.766739,0.000000,-0.336535,0.686566,0.644492,0.000000,-2149459.553726,4385115.985234,4088830.942715,1],    "boundingVolume": {    "region": [2.026487,0.700325,2.026614,0.700394,0.000000,14.472785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_852293.b3dm"}}}