{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896921,-0.442191,0.000000,0.000000,0.282266,-0.572535,0.769759,0.000000,-0.339447,0.688518,0.640873,0.000000,-2168021.512983,4397514.556994,4065805.080675,1],    "boundingVolume": {    "region": [2.028745,0.695579,2.028928,0.695691,0.000000,42.492945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_448531.b3dm"}}}