{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858205,-0.513307,0.000000,0.000000,0.262576,-0.439005,0.859260,0.000000,-0.440286,0.736120,0.514077,0.000000,-2810692.836178,4699234.228619,3259788.285027,1],    "boundingVolume": {    "region": [2.109748,0.539869,2.109912,0.539994,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_328877.b3dm"}}}