{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895797,-0.444463,0.000000,0.000000,0.284073,-0.572537,0.769093,0.000000,-0.340893,0.687056,0.641674,0.000000,-2177264.912610,4388191.067676,4070901.581868,1],    "boundingVolume": {    "region": [2.031310,0.696620,2.031432,0.696738,0.000000,34.269785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/2_645819.b3dm"}}}