{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949629,-0.313378,0.000000,0.000000,0.174918,-0.530054,0.829726,0.000000,-0.259472,0.786277,0.560752,0.000000,-1656689.832425,5020270.207410,3556354.675886,1],    "boundingVolume": {    "region": [1.889463,0.595161,1.889625,0.595426,0.000000,8.773345]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1368496.b3dm"}}}