{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948739,-0.316060,0.000000,0.000000,0.176380,-0.529452,0.829801,0.000000,-0.261716,0.785613,0.560640,0.000000,-1671021.118269,5016024.423455,3555645.390019,1],    "boundingVolume": {    "region": [1.892322,0.595047,1.892418,0.595270,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178978.b3dm"}}}