{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894715,-0.446637,0.000000,0.000000,0.284759,-0.570436,0.770399,0.000000,-0.343147,0.687401,0.640102,0.000000,-2191647.426206,4390361.304093,4060898.964512,1],    "boundingVolume": {    "region": [2.033733,0.694568,2.033867,0.694693,0.000000,66.149328]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1138160.b3dm"}}}