{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896915,-0.442204,0.000000,0.000000,0.282315,-0.572615,0.769682,0.000000,-0.339422,0.688444,0.640966,0.000000,-2167862.338612,4397039.636271,4066399.543938,1],    "boundingVolume": {    "region": [2.028759,0.695700,2.028942,0.695813,0.000000,44.253801]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_448768.b3dm"}}}