{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857952,-0.513730,0.000000,0.000000,0.263215,-0.439580,0.858771,0.000000,-0.440396,0.735479,0.514900,0.000000,-2811399.011591,4695156.273455,3265016.003069,1],    "boundingVolume": {    "region": [2.110241,0.540828,2.110406,0.540954,0.000000,81.336300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_449175.b3dm"}}}