{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949054,-0.315114,0.000000,0.000000,0.176142,-0.530502,0.829181,0.000000,-0.260736,0.785280,0.561561,0.000000,-1664769.692255,5013921.148888,3561500.034353,1],    "boundingVolume": {    "region": [1.891304,0.596219,1.891442,0.596325,0.000000,8.634933]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1372890.b3dm"}}}