{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858254,-0.513226,0.000000,0.000000,0.262905,-0.439649,0.858831,0.000000,-0.439994,0.735790,0.514799,0.000000,-2808833.426893,4697138.431224,3264377.394630,1],    "boundingVolume": {    "region": [2.109653,0.540711,2.109817,0.540836,0.000000,73.131566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/10_437793.b3dm"}}}