{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895902,-0.444252,0.000000,0.000000,0.283853,-0.572431,0.769253,0.000000,-0.340803,0.687280,0.641482,0.000000,-2176687.136829,4389617.464687,4069680.778014,1],    "boundingVolume": {    "region": [2.031081,0.696375,2.031190,0.696482,0.000000,46.648378]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_618946.b3dm"}}}