{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943936,-0.330128,0.000000,0.000000,0.184320,-0.527025,0.829621,0.000000,-0.273306,0.781464,0.560909,0.000000,-1745022.063084,4989539.438721,3557350.025780,1],    "boundingVolume": {    "region": [1.907188,0.595425,1.907284,0.595540,0.000000,8.764672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1274984.b3dm"}}}