{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897949,-0.440099,0.000000,0.000000,0.282515,-0.576426,0.766758,0.000000,-0.336513,0.686599,0.644469,0.000000,-2149319.086143,4385326.328975,4088680.204787,1],    "boundingVolume": {    "region": [2.026442,0.700294,2.026569,0.700363,0.000000,7.295067]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_851948.b3dm"}}}