{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950634,-0.310315,0.000000,0.000000,0.173533,-0.531608,0.829023,0.000000,-0.256716,0.786436,0.561796,0.000000,-1639103.535851,5021304.626918,3562992.240193,1],    "boundingVolume": {    "region": [1.886272,0.596506,1.886370,0.596605,0.000000,10.633207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/5_1390939.b3dm"}}}