{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948834,-0.315776,0.000000,0.000000,0.176328,-0.529824,0.829575,0.000000,-0.261410,0.785475,0.560977,0.000000,-1669064.919053,5015149.536216,3557783.252006,1],    "boundingVolume": {    "region": [1.892023,0.595454,1.892119,0.595677,0.000000,8.815559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/15_1181726.b3dm"}}}