{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896925,-0.442184,0.000000,0.000000,0.282260,-0.572535,0.769761,0.000000,-0.339442,0.688523,0.640870,0.000000,-2167989.453645,4397546.119734,4065788.151788,1],    "boundingVolume": {    "region": [2.028737,0.695575,2.028920,0.695688,0.000000,42.492945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_448644.b3dm"}}}