{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950761,-0.309926,0.000000,0.000000,0.173355,-0.531802,0.828936,0.000000,-0.256367,0.786458,0.561925,0.000000,-1636874.380472,5021445.426195,3563812.976945,1],    "boundingVolume": {    "region": [1.885829,0.596627,1.885994,0.596796,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1386966.b3dm"}}}