{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871351,-0.490660,0.000000,0.000000,0.211841,-0.376204,0.901995,0.000000,-0.442016,0.784965,0.434110,0.000000,-2821017.593946,5009775.847121,2752016.545686,1],    "boundingVolume": {    "region": [2.083587,0.449010,2.083700,0.449091,0.000000,90.631680]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_224021.b3dm"}}}