{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896935,-0.442163,0.000000,0.000000,0.282243,-0.572535,0.769768,0.000000,-0.339429,0.688537,0.640863,0.000000,-2167904.640325,4397631.725532,4065741.100599,1],    "boundingVolume": {    "region": [2.028713,0.695566,2.028896,0.695678,0.000000,42.492945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_446321.b3dm"}}}