{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892704,-0.450643,0.000000,0.000000,0.290497,-0.575461,0.764497,0.000000,-0.343551,0.680560,0.647156,0.000000,-2194296.430070,4346802.629794,4105775.362999,1],    "boundingVolume": {    "region": [2.038230,0.703813,2.038334,0.703882,0.000000,41.247194]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_2008880.b3dm"}}}