{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898158,-0.439674,0.000000,0.000000,0.284275,-0.580712,0.762864,0.000000,-0.334467,0.683244,0.649084,0.000000,-2136291.119846,4363979.117321,4118044.169308,1],    "boundingVolume": {    "region": [2.025965,0.706268,2.026098,0.706491,0.000000,7.884418]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1821581.b3dm"}}}