{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950122,-0.311877,0.000000,0.000000,0.174205,-0.530710,0.829457,0.000000,-0.258145,0.786428,0.561152,0.000000,-1648219.873471,5021243.055270,3558898.729939,1],    "boundingVolume": {    "region": [1.887915,0.595719,1.888014,0.595836,0.000000,8.801193]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1428875.b3dm"}}}