{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949611,-0.313430,0.000000,0.000000,0.174949,-0.530048,0.829724,0.000000,-0.259514,0.786260,0.560756,0.000000,-1656962.200888,5020162.911415,3556379.081976,1],    "boundingVolume": {    "region": [1.889518,0.595165,1.889680,0.595431,0.000000,8.773345]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1368452.b3dm"}}}