{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858278,-0.513186,0.000000,0.000000,0.262818,-0.439550,0.858908,0.000000,-0.440000,0.735878,0.514669,0.000000,-2808869.035670,4697695.382451,3263550.771489,1],    "boundingVolume": {    "region": [2.109606,0.540559,2.109771,0.540684,0.000000,15.085900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_410839.b3dm"}}}