{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949299,-0.314376,0.000000,0.000000,0.175555,-0.530112,0.829555,0.000000,-0.260244,0.785840,0.561007,0.000000,-1661621.949731,5017484.779042,3557973.315850,1],    "boundingVolume": {    "region": [1.890527,0.595548,1.890664,0.595654,0.000000,8.814030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/5_1366700.b3dm"}}}