{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871265,-0.490814,0.000000,0.000000,0.211957,-0.376254,0.901947,0.000000,-0.442131,0.784845,0.434211,0.000000,-2821750.376823,5009010.176208,2752654.639536,1],    "boundingVolume": {    "region": [2.083764,0.449122,2.083876,0.449202,0.000000,73.163070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_226400.b3dm"}}}