{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893942,-0.448182,0.000000,0.000000,0.288840,-0.576120,0.764629,0.000000,-0.341734,0.681623,0.646999,0.000000,-2182689.416673,4353587.422808,4104780.114840,1],    "boundingVolume": {    "region": [2.035444,0.703561,2.035609,0.703724,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1870900.b3dm"}}}