{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950366,-0.311134,0.000000,0.000000,0.173703,-0.530580,0.829646,0.000000,-0.257589,0.786811,0.560872,0.000000,-1644670.731824,5023678.009184,3557115.922459,1],    "boundingVolume": {    "region": [1.887133,0.595380,1.887233,0.595497,0.000000,8.816455]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/10_1454968.b3dm"}}}