{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897949,-0.440099,0.000000,0.000000,0.282476,-0.576347,0.766832,0.000000,-0.336546,0.686666,0.644381,0.000000,-2149523.934474,4385750.426796,4088121.354426,1],    "boundingVolume": {    "region": [2.026442,0.700179,2.026568,0.700248,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883751.b3dm"}}}