{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949265,-0.314477,0.000000,0.000000,0.175751,-0.530513,0.829257,0.000000,-0.260233,0.785527,0.561450,0.000000,-1661557.108276,5015495.392885,3560788.397132,1],    "boundingVolume": {    "region": [1.890633,0.596083,1.890771,0.596190,0.000000,8.256414]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/10_1358908.b3dm"}}}