{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951370,-0.308052,0.000000,0.000000,0.170979,-0.528042,0.831828,0.000000,-0.255714,0.789732,0.557614,0.000000,-1632678.626864,5042271.432121,3536411.368413,1],    "boundingVolume": {    "region": [1.883887,0.591465,1.883995,0.591552,0.000000,5.375560]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/48/40_1321964.b3dm"}}}