{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950017,-0.312199,0.000000,0.000000,0.174393,-0.530675,0.829440,0.000000,-0.258406,0.786325,0.561178,0.000000,-1649885.848401,5020580.687272,3559060.163443,1],    "boundingVolume": {    "region": [1.888217,0.595705,1.888389,0.595910,0.000000,8.809885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1433640.b3dm"}}}