{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897747,-0.440511,0.000000,0.000000,0.282871,-0.576482,0.766585,0.000000,-0.336751,0.686289,0.644675,0.000000,-2150840.544964,4383344.813651,4089995.848283,1],    "boundingVolume": {    "region": [2.026901,0.700564,2.027027,0.700633,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858167.b3dm"}}}