{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950633,-0.310317,0.000000,0.000000,0.173542,-0.531631,0.829006,0.000000,-0.256713,0.786419,0.561821,0.000000,-1639080.552767,5021198.603920,3563151.154614,1],    "boundingVolume": {    "region": [1.886274,0.596536,1.886372,0.596635,0.000000,11.649337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6_1329509.b3dm"}}}