{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949127,-0.314894,0.000000,0.000000,0.175948,-0.530328,0.829334,0.000000,-0.260602,0.785487,0.561335,0.000000,-1663914.281143,5015233.636664,3560061.207682,1],    "boundingVolume": {    "region": [1.891072,0.595945,1.891210,0.596051,0.000000,17.644930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360769.b3dm"}}}