{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858205,-0.513308,0.000000,0.000000,0.262559,-0.438976,0.859280,0.000000,-0.440297,0.736137,0.514043,0.000000,-2810761.674776,4699342.320760,3259574.538086,1],    "boundingVolume": {    "region": [2.109749,0.539829,2.109913,0.539955,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_323363.b3dm"}}}