{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895082,-0.445901,0.000000,0.000000,0.284292,-0.570674,0.770395,0.000000,-0.342580,0.687679,0.640106,0.000000,-2188023.585102,4392141.184841,4060928.246338,1],    "boundingVolume": {    "region": [2.032910,0.694574,2.033044,0.694699,0.000000,39.711004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/13_977447.b3dm"}}}