{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943188,-0.332261,0.000000,0.000000,0.186265,-0.528750,0.828088,0.000000,-0.274558,0.779387,0.563181,0.000000,-1753032.487587,4976324.628148,3571795.243660,1],    "boundingVolume": {    "region": [1.909424,0.598182,1.909568,0.598279,0.000000,8.613073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_1248734.b3dm"}}}