{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949566,-0.313569,0.000000,0.000000,0.174964,-0.529836,0.829856,0.000000,-0.259671,0.786349,0.560559,0.000000,-1657960.033875,5020724.406462,3555129.591593,1],    "boundingVolume": {    "region": [1.889664,0.594928,1.889826,0.595194,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1370413.b3dm"}}}