{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950809,-0.309777,0.000000,0.000000,0.173152,-0.531462,0.829197,0.000000,-0.256325,0.786747,0.561539,0.000000,-1636603.994649,5023286.999481,3561357.583010,1],    "boundingVolume": {    "region": [1.885682,0.596135,1.885828,0.596354,0.000000,8.774613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1423497.b3dm"}}}