{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898083,-0.439827,0.000000,0.000000,0.284315,-0.580543,0.762978,0.000000,-0.334634,0.683289,0.648950,0.000000,-2137355.165663,4364267.240183,4117192.355768,1],    "boundingVolume": {    "region": [2.026136,0.706092,2.026268,0.706315,0.000000,26.925476]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1820894.b3dm"}}}