{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950633,-0.310317,0.000000,0.000000,0.173532,-0.531602,0.829027,0.000000,-0.256719,0.786439,0.561790,0.000000,-1639123.465694,5021326.080220,3562953.101178,1],    "boundingVolume": {    "region": [1.886274,0.596499,1.886372,0.596597,0.000000,10.633207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/5_1390752.b3dm"}}}