{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950578,-0.310484,0.000000,0.000000,0.173248,-0.530416,0.829846,0.000000,-0.257113,0.787178,0.560575,0.000000,-1641631.973293,5026017.293790,3555227.333877,1],    "boundingVolume": {    "region": [1.886408,0.595006,1.886590,0.595152,0.000000,8.807318]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1449657.b3dm"}}}