{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950100,-0.311947,0.000000,0.000000,0.115721,-0.352454,0.928647,0.000000,-0.289419,0.881487,0.373118,0.000000,-1846817.070462,5624866.514194,2364969.439348,1],    "boundingVolume": {    "region": [1.887960,0.382303,1.888116,0.382432,0.000000,8.867749]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_63443.b3dm"}}}