{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899394,-0.437140,0.000000,0.000000,0.282881,-0.582014,0.762390,0.000000,-0.332331,0.683755,0.649642,0.000000,-2122654.985214,4367258.005552,4121594.044064,1],    "boundingVolume": {    "region": [2.023125,0.707059,2.023300,0.707168,0.000000,6.551217]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/15_1800695.b3dm"}}}