{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950874,-0.309577,0.000000,0.000000,0.172719,-0.530512,0.829894,0.000000,-0.256377,0.787469,0.560502,0.000000,-1636931.143090,5027878.150821,3554766.739563,1],    "boundingVolume": {    "region": [1.885487,0.594935,1.885602,0.595049,0.000000,8.664804]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/5_1448282.b3dm"}}}