{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949107,-0.314954,0.000000,0.000000,0.175988,-0.530337,0.829319,0.000000,-0.260648,0.785456,0.561357,0.000000,-1664202.109122,5015038.109284,3560201.167621,1],    "boundingVolume": {    "region": [1.891136,0.595972,1.891273,0.596078,0.000000,11.710358]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360316.b3dm"}}}