{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895744,-0.444571,0.000000,0.000000,0.284161,-0.572541,0.769057,0.000000,-0.340960,0.686983,0.641717,0.000000,-2177692.922098,4387721.704012,4071176.700151,1],    "boundingVolume": {    "region": [2.031431,0.696676,2.031552,0.696794,0.000000,40.183657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_766836.b3dm"}}}