{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950100,-0.311946,0.000000,0.000000,0.115601,-0.352089,0.928800,0.000000,-0.289467,0.881634,0.372733,0.000000,-1847118.243629,5625801.226073,2362526.115972,1],    "boundingVolume": {    "region": [1.887974,0.381901,1.888100,0.382004,0.000000,8.199185]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/20_63355.b3dm"}}}