{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949084,-0.315023,0.000000,0.000000,0.176084,-0.530496,0.829197,0.000000,-0.260666,0.785320,0.561538,0.000000,-1664321.417580,5014176.489922,3561351.065017,1],    "boundingVolume": {    "region": [1.891209,0.596190,1.891346,0.596297,0.000000,8.805275]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_1446782.b3dm"}}}