{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950522,-0.310657,0.000000,0.000000,0.173328,-0.530335,0.829881,0.000000,-0.257267,0.787165,0.560522,0.000000,-1642614.805855,5025931.763909,3554896.500038,1],    "boundingVolume": {    "region": [1.886589,0.594944,1.886772,0.595090,0.000000,8.794159]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1449415.b3dm"}}}