{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893972,-0.448123,0.000000,0.000000,0.288834,-0.576201,0.764570,0.000000,-0.341663,0.681592,0.647069,0.000000,-2182235.522814,4353393.769276,4105223.817387,1],    "boundingVolume": {    "region": [2.035379,0.703653,2.035544,0.703815,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1991939.b3dm"}}}