{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893975,-0.448116,0.000000,0.000000,0.288777,-0.576100,0.764668,0.000000,-0.341702,0.681682,0.646954,0.000000,-2182480.383983,4353967.049873,4104490.547163,1],    "boundingVolume": {    "region": [2.035371,0.703501,2.035536,0.703664,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1991769.b3dm"}}}