{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950482,-0.310779,0.000000,0.000000,0.173804,-0.531560,0.828997,0.000000,-0.257091,0.786286,0.561835,0.000000,-1641499.433190,5020347.351478,3563236.535754,1],    "boundingVolume": {    "region": [1.886759,0.596553,1.886857,0.596651,0.000000,14.063257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1392397.b3dm"}}}