{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950329,-0.311247,0.000000,0.000000,0.173896,-0.530955,0.829365,0.000000,-0.257594,0.786512,0.561288,0.000000,-1644707.352019,5021776.752396,3559764.762972,1],    "boundingVolume": {    "region": [1.887252,0.595883,1.887351,0.596000,0.000000,8.714310]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1429989.b3dm"}}}