{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950645,-0.310280,0.000000,0.000000,0.173597,-0.531870,0.828842,0.000000,-0.256631,0.786272,0.562065,0.000000,-1638559.630472,5020260.041032,3564702.451186,1],    "boundingVolume": {    "region": [1.886202,0.596796,1.886367,0.596965,0.000000,8.821139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396379.b3dm"}}}