{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897940,-0.440118,0.000000,0.000000,0.282533,-0.576431,0.766748,0.000000,-0.336524,0.686583,0.644481,0.000000,-2149383.742835,4385221.893194,4088757.704367,1],    "boundingVolume": {    "region": [2.026464,0.700310,2.026590,0.700379,0.000000,10.955366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_852107.b3dm"}}}