{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892660,-0.450730,0.000000,0.000000,0.290666,-0.575658,0.764284,0.000000,-0.343521,0.680336,0.647408,0.000000,-2194104.615227,4345375.284105,4107377.648089,1],    "boundingVolume": {    "region": [2.038327,0.704144,2.038431,0.704212,0.000000,32.092423]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1966949.b3dm"}}}