{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897912,-0.440176,0.000000,0.000000,0.282576,-0.576425,0.766737,0.000000,-0.336562,0.686551,0.644495,0.000000,-2149631.973929,4385017.430585,4088845.893561,1],    "boundingVolume": {    "region": [2.026528,0.700328,2.026654,0.700397,0.000000,33.682253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852341.b3dm"}}}