{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949420,-0.314009,0.000000,0.000000,0.175550,-0.530784,0.829126,0.000000,-0.259804,0.785530,0.561644,0.000000,-1658819.720384,5015519.261428,3562022.529306,1],    "boundingVolume": {    "region": [1.890159,0.596330,1.890258,0.596412,0.000000,14.645591]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1409508.b3dm"}}}