{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897005,-0.442020,0.000000,0.000000,0.287273,-0.582971,0.760012,0.000000,-0.334985,0.679796,0.652428,0.000000,-2139634.078223,4342022.283287,4139319.483552,1],    "boundingVolume": {    "region": [2.028556,0.710731,2.028736,0.710836,0.000000,20.880301]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1780887.b3dm"}}}