{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898785,-0.438391,0.000000,0.000000,0.283208,-0.580630,0.763323,0.000000,-0.333693,0.684135,0.648543,0.000000,-2131343.687075,4369662.482263,4114602.785878,1],    "boundingVolume": {    "region": [2.024521,0.705609,2.024686,0.705728,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1832881.b3dm"}}}