{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949080,-0.315036,0.000000,0.000000,0.116081,-0.349708,0.929639,0.000000,-0.292601,0.881493,0.370614,0.000000,-1867107.787476,5624870.923981,2349080.128543,1],    "boundingVolume": {    "region": [1.891236,0.379612,1.891345,0.379727,0.000000,47.040252]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/19_75176.b3dm"}}}