{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942849,-0.333219,0.000000,0.000000,0.186598,-0.527982,0.828502,0.000000,-0.275489,0.779501,0.562568,0.000000,-1758972.419420,4977042.222122,3567899.267523,1],    "boundingVolume": {    "region": [1.910450,0.597449,1.910575,0.597529,0.000000,6.730694]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/6_1260495.b3dm"}}}