{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949827,-0.312775,0.000000,0.000000,0.174593,-0.530200,0.829702,0.000000,-0.258965,0.786419,0.560788,0.000000,-1653453.922389,5021174.086736,3556583.010193,1],    "boundingVolume": {    "region": [1.888827,0.595271,1.888991,0.595403,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355820.b3dm"}}}