{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897873,-0.440254,0.000000,0.000000,0.282634,-0.576416,0.766722,0.000000,-0.336616,0.686508,0.644513,0.000000,-2149972.273885,4384743.268411,4088960.212840,1],    "boundingVolume": {    "region": [2.026615,0.700351,2.026742,0.700420,0.000000,15.942125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852647.b3dm"}}}