{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898029,-0.439935,0.000000,0.000000,0.284427,-0.580593,0.762898,0.000000,-0.334681,0.683176,0.649044,0.000000,-2137657.478986,4363549.626634,4117791.935527,1],    "boundingVolume": {    "region": [2.026257,0.706216,2.026389,0.706439,0.000000,8.030820]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1821406.b3dm"}}}