{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949143,-0.314847,0.000000,0.000000,0.116081,-0.349941,0.929552,0.000000,-0.292397,0.881467,0.370836,0.000000,-1865810.094683,5624707.401614,2350492.808996,1],    "boundingVolume": {    "region": [1.891037,0.379852,1.891145,0.379967,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_581.b3dm"}}}