{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897893,-0.440213,0.000000,0.000000,0.282589,-0.576390,0.766758,0.000000,-0.336600,0.686556,0.644469,0.000000,-2149874.360476,4385051.121769,4088683.416372,1],    "boundingVolume": {    "region": [2.026569,0.700294,2.026696,0.700363,0.000000,9.943482]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_851958.b3dm"}}}