{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950298,-0.311343,0.000000,0.000000,0.174003,-0.531102,0.829249,0.000000,-0.257637,0.786374,0.561461,0.000000,-1644982.044035,5020903.551297,3560861.993991,1],    "boundingVolume": {    "region": [1.887326,0.596058,1.887478,0.596243,0.000000,8.617396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1431616.b3dm"}}}