{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950437,-0.310917,0.000000,0.000000,0.173894,-0.531573,0.828970,0.000000,-0.257197,0.786223,0.561875,0.000000,-1642175.141876,5019942.370776,3563494.009992,1],    "boundingVolume": {    "region": [1.886905,0.596602,1.887003,0.596700,0.000000,14.515134]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_1393924.b3dm"}}}