{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949267,-0.314471,0.000000,0.000000,0.116222,-0.350830,0.929199,0.000000,-0.291937,0.881244,0.371727,0.000000,-1862875.595909,5623299.546100,2356144.006485,1],    "boundingVolume": {    "region": [1.890627,0.380819,1.890765,0.380919,0.000000,15.473305]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/9_71952.b3dm"}}}