{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898346,-0.439288,0.000000,0.000000,0.284117,-0.581020,0.762688,0.000000,-0.334096,0.683228,0.649291,0.000000,-2133922.140353,4363884.232989,4119363.870911,1],    "boundingVolume": {    "region": [2.025552,0.706615,2.025653,0.706690,0.000000,6.679668]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1819533.b3dm"}}}