{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858256,-0.513222,0.000000,0.000000,0.262953,-0.439734,0.858773,0.000000,-0.439960,0.735742,0.514897,0.000000,-2808621.061596,4696832.121853,3264996.621634,1],    "boundingVolume": {    "region": [2.109649,0.540825,2.109813,0.540950,0.000000,97.204900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_449143.b3dm"}}}