{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949077,-0.315043,0.000000,0.000000,0.176036,-0.530314,0.829324,0.000000,-0.260723,0.785437,0.561349,0.000000,-1664682.503275,5014914.203500,3560151.447939,1],    "boundingVolume": {    "region": [1.891229,0.595962,1.891367,0.596069,0.000000,15.347422]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1373693.b3dm"}}}