{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949107,-0.314953,0.000000,0.000000,0.176139,-0.530791,0.828997,0.000000,-0.260545,0.785148,0.561835,0.000000,-1663550.473807,5013083.528898,3563236.713054,1],    "boundingVolume": {    "region": [1.891153,0.596591,1.891255,0.596613,0.000000,11.195197]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/9_1419447.b3dm"}}}