{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948713,-0.316139,0.000000,0.000000,0.176429,-0.529453,0.829791,0.000000,-0.261779,0.785580,0.560656,0.000000,-1671419.364661,5015819.573274,3555746.504410,1],    "boundingVolume": {    "region": [1.892406,0.595067,1.892501,0.595290,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179248.b3dm"}}}