{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948985,-0.315321,0.000000,0.000000,0.176250,-0.530439,0.829199,0.000000,-0.260913,0.785240,0.561536,0.000000,-1665897.500935,5013664.213027,3561335.491689,1],    "boundingVolume": {    "region": [1.891522,0.596187,1.891660,0.596294,0.000000,8.635845]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_1066838.b3dm"}}}