{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896926,-0.442182,0.000000,0.000000,0.282301,-0.572623,0.769681,0.000000,-0.339405,0.688452,0.640967,0.000000,-2167752.400401,4397091.557045,4066401.992958,1],    "boundingVolume": {    "region": [2.028734,0.695701,2.028917,0.695813,0.000000,44.253801]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_448692.b3dm"}}}