{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949276,-0.314443,0.000000,0.000000,0.175767,-0.530625,0.829182,0.000000,-0.260182,0.785465,0.561561,0.000000,-1661227.743976,5015098.287553,3561496.543119,1],    "boundingVolume": {    "region": [1.890617,0.596230,1.890716,0.596312,0.000000,8.404421]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1447249.b3dm"}}}