{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951231,-0.308479,0.000000,0.000000,0.113615,-0.350346,0.929704,0.000000,-0.286532,0.883553,0.370451,0.000000,-1828377.406900,5638012.711192,2348046.697315,1],    "boundingVolume": {    "region": [1.884389,0.379493,1.884391,0.379495,0.000000,3.860822]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20.b3dm"}}}