{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897827,-0.440348,0.000000,0.000000,0.282799,-0.576601,0.766522,0.000000,-0.336599,0.686293,0.644750,0.000000,-2149866.677665,4383374.842331,4090472.445598,1],    "boundingVolume": {    "region": [2.026719,0.700662,2.026846,0.700731,0.000000,12.902110]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_858899.b3dm"}}}