{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949833,-0.312757,0.000000,0.000000,0.174598,-0.530250,0.829669,0.000000,-0.258939,0.786391,0.560838,0.000000,-1653291.472519,5021000.792217,3556901.024291,1],    "boundingVolume": {    "region": [1.888808,0.595332,1.888972,0.595463,0.000000,8.709913]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355521.b3dm"}}}