{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950629,-0.310329,0.000000,0.000000,0.173362,-0.531057,0.829412,0.000000,-0.256849,0.786804,0.561219,0.000000,-1639950.440269,5023645.002945,3559326.294058,1],    "boundingVolume": {    "region": [1.886278,0.595801,1.886394,0.595916,0.000000,8.820635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1425537.b3dm"}}}