{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950644,-0.310285,0.000000,0.000000,0.173512,-0.531603,0.829031,0.000000,-0.256693,0.786452,0.561785,0.000000,-1638957.617215,5021402.908840,3562921.332646,1],    "boundingVolume": {    "region": [1.886240,0.596493,1.886338,0.596591,0.000000,10.633207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/5_1390632.b3dm"}}}