{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952570,-0.304318,0.000000,0.000000,0.112937,-0.353514,0.928587,0.000000,-0.282323,0.883722,0.373269,0.000000,-1801534.961058,5639128.017206,2365927.615670,1],    "boundingVolume": {    "region": [1.879969,0.382494,1.880069,0.382566,0.000000,6.222958]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/31/48_41819.b3dm"}}}