{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950056,-0.312080,0.000000,0.000000,0.174254,-0.530479,0.829595,0.000000,-0.258355,0.786505,0.560947,0.000000,-1649564.890594,5021730.010049,3557597.019251,1],    "boundingVolume": {    "region": [1.888095,0.595464,1.888259,0.595595,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455522.b3dm"}}}