{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950783,-0.309857,0.000000,0.000000,0.173137,-0.531263,0.829327,0.000000,-0.256432,0.786851,0.561345,0.000000,-1637287.576277,5023944.264113,3560124.346371,1],    "boundingVolume": {    "region": [1.885766,0.595900,1.885912,0.596120,0.000000,8.710537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1339614.b3dm"}}}