{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858163,-0.513377,0.000000,0.000000,0.262587,-0.438942,0.859289,0.000000,-0.440361,0.736109,0.514029,0.000000,-2811168.538162,4699163.417372,3259482.212353,1],    "boundingVolume": {    "region": [2.109829,0.539812,2.109994,0.539938,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_319574.b3dm"}}}