{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950580,-0.310480,0.000000,0.000000,0.173244,-0.530413,0.829848,0.000000,-0.257111,0.787182,0.560570,0.000000,-1641614.311942,5026041.255903,3555201.785810,1],    "boundingVolume": {    "region": [1.886403,0.595002,1.886586,0.595148,0.000000,8.807318]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1449623.b3dm"}}}