{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897832,-0.440338,0.000000,0.000000,0.282791,-0.576600,0.766526,0.000000,-0.336593,0.686300,0.644746,0.000000,-2149828.351534,4383421.728699,4090442.546245,1],    "boundingVolume": {    "region": [2.026708,0.700656,2.026834,0.700725,0.000000,12.902110]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_858806.b3dm"}}}