{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893982,-0.448102,0.000000,0.000000,0.288824,-0.576216,0.764563,0.000000,-0.341644,0.681594,0.647078,0.000000,-2182110.338623,4353403.379298,4105279.791697,1],    "boundingVolume": {    "region": [2.035355,0.703664,2.035520,0.703827,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1869856.b3dm"}}}