{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950482,-0.310780,0.000000,0.000000,0.173797,-0.531537,0.829013,0.000000,-0.257098,0.786301,0.561811,0.000000,-1641541.343392,5020442.907985,3563083.622103,1],    "boundingVolume": {    "region": [1.886761,0.596524,1.886859,0.596622,0.000000,11.896035]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1329762.b3dm"}}}