{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949724,-0.313087,0.000000,0.000000,0.115372,-0.349972,0.929628,0.000000,-0.290788,0.882081,0.370642,0.000000,-1855539.454965,5628623.087475,2349257.691189,1],    "boundingVolume": {    "region": [1.889169,0.379609,1.889308,0.379790,0.000000,42.444313]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73361.b3dm"}}}