{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951881,-0.306469,0.000000,0.000000,0.112593,-0.349708,0.930068,0.000000,-0.284777,0.884507,0.369526,0.000000,-1817180.195923,5644086.631111,2342178.959907,1],    "boundingVolume": {    "region": [1.882196,0.378438,1.882360,0.378559,0.000000,31.872337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_46241.b3dm"}}}