{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944295,-0.329102,0.000000,0.000000,0.183967,-0.527858,0.829170,0.000000,-0.272306,0.781331,0.561579,0.000000,-1738642.625369,4988705.910607,3561611.394156,1],    "boundingVolume": {    "region": [1.906091,0.596256,1.906206,0.596330,0.000000,8.807398]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_851878.b3dm"}}}