{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950629,-0.310328,0.000000,0.000000,0.173536,-0.531595,0.829031,0.000000,-0.256729,0.786440,0.561785,0.000000,-1639187.367204,5021328.099892,3562921.072307,1],    "boundingVolume": {    "region": [1.886286,0.596493,1.886383,0.596591,0.000000,10.633207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/5_1390638.b3dm"}}}