{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950584,-0.310467,0.000000,0.000000,0.173404,-0.530927,0.829486,0.000000,-0.256987,0.786838,0.561109,0.000000,-1640825.729776,5023859.822662,3558624.356322,1],    "boundingVolume": {    "region": [1.886423,0.595668,1.886538,0.595782,0.000000,8.777612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1424262.b3dm"}}}