{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948938,-0.315463,0.000000,0.000000,0.176266,-0.530222,0.829334,0.000000,-0.261074,0.785330,0.561335,0.000000,-1666923.637438,5014235.941389,3560058.790915,1],    "boundingVolume": {    "region": [1.891672,0.595944,1.891810,0.596051,0.000000,8.733308]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1068865.b3dm"}}}