{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950598,-0.310424,0.000000,0.000000,0.173588,-0.531573,0.829034,0.000000,-0.256809,0.786417,0.561780,0.000000,-1639697.908891,5021182.839765,3562891.070063,1],    "boundingVolume": {    "region": [1.886386,0.596487,1.886484,0.596586,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390499.b3dm"}}}