{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950168,-0.311739,0.000000,0.000000,0.174262,-0.531144,0.829168,0.000000,-0.257940,0.786189,0.561582,0.000000,-1646914.996297,5019721.480605,3561629.814018,1],    "boundingVolume": {    "region": [1.887750,0.596192,1.887889,0.596401,0.000000,8.780362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1347083.b3dm"}}}