{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949678,-0.313227,0.000000,0.000000,0.174768,-0.529882,0.829868,0.000000,-0.259392,0.786454,0.560541,0.000000,-1656178.344250,5021393.408519,3555015.953118,1],    "boundingVolume": {    "region": [1.889305,0.594906,1.889467,0.595172,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357490.b3dm"}}}