{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948780,-0.315939,0.000000,0.000000,0.116781,-0.350699,0.929178,0.000000,-0.293292,0.880772,0.371780,0.000000,-1871525.439537,5620285.120365,2356479.343160,1],    "boundingVolume": {    "region": [1.892158,0.380820,1.892326,0.381031,0.000000,16.299968]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_72491.b3dm"}}}