{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950488,-0.310762,0.000000,0.000000,0.173961,-0.532072,0.828635,0.000000,-0.256965,0.785944,0.562371,0.000000,-1640693.712602,5018173.303114,3566645.422039,1],    "boundingVolume": {    "region": [1.886742,0.597201,1.886840,0.597300,0.000000,7.421893]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1325087.b3dm"}}}