{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950296,-0.311349,0.000000,0.000000,0.174104,-0.531398,0.829038,0.000000,-0.257576,0.786170,0.561774,0.000000,-1644595.700792,5019608.022377,3562852.962528,1],    "boundingVolume": {    "region": [1.887333,0.596436,1.887485,0.596622,0.000000,8.799261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1398460.b3dm"}}}