{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897976,-0.440045,0.000000,0.000000,0.284651,-0.580872,0.762602,0.000000,-0.334634,0.682868,0.649393,0.000000,-2137359.150494,4361587.373206,4120010.140981,1],    "boundingVolume": {    "region": [2.026379,0.706675,2.026512,0.706897,0.000000,14.409310]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1823552.b3dm"}}}