{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894738,-0.446592,0.000000,0.000000,0.284578,-0.570146,0.770681,0.000000,-0.343239,0.687672,0.639761,0.000000,-2192230.699210,4392086.759976,4058732.343707,1],    "boundingVolume": {    "region": [2.033682,0.694125,2.033816,0.694250,0.000000,88.955427]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1167456.b3dm"}}}