{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949737,-0.313049,0.000000,0.000000,0.174869,-0.530520,0.829439,0.000000,-0.259109,0.786092,0.561179,0.000000,-1654378.402473,5019094.984785,3559070.124965,1],    "boundingVolume": {    "region": [1.889122,0.595726,1.889275,0.595894,0.000000,8.820307]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1353023.b3dm"}}}