{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950588,-0.310454,0.000000,0.000000,0.173608,-0.531575,0.829028,0.000000,-0.256833,0.786403,0.561789,0.000000,-1639847.605244,5021096.074705,3562944.093531,1],    "boundingVolume": {    "region": [1.886418,0.596497,1.886516,0.596596,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390734.b3dm"}}}