{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897901,-0.440197,0.000000,0.000000,0.282590,-0.576418,0.766737,0.000000,-0.336579,0.686543,0.644494,0.000000,-2149736.799327,4384967.663954,4088844.165057,1],    "boundingVolume": {    "region": [2.026551,0.700327,2.026678,0.700396,0.000000,33.682253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852347.b3dm"}}}