{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949042,-0.315149,0.000000,0.000000,0.175950,-0.529858,0.829634,0.000000,-0.260909,0.785703,0.560890,0.000000,-1665866.797461,5016607.144385,3557230.847664,1],    "boundingVolume": {    "region": [1.891341,0.595407,1.891478,0.595513,0.000000,8.713676]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1374657.b3dm"}}}