{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948714,-0.316137,0.000000,0.000000,0.176456,-0.529537,0.829731,0.000000,-0.261758,0.785524,0.560745,0.000000,-1671286.617335,5015461.674581,3556309.901679,1],    "boundingVolume": {    "region": [1.892403,0.595174,1.892499,0.595397,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1179724.b3dm"}}}