{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858199,-0.513318,0.000000,0.000000,0.262499,-0.438863,0.859357,0.000000,-0.440345,0.736198,0.513915,0.000000,-2811068.079116,4699728.133478,3258759.448396,1],    "boundingVolume": {    "region": [2.109761,0.539680,2.109925,0.539805,0.000000,52.491300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_301579.b3dm"}}}