{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943262,-0.332049,0.000000,0.000000,0.186272,-0.529150,0.827830,0.000000,-0.274297,0.779205,0.563561,0.000000,-1751366.646480,4975165.583364,3574209.977443,1],    "boundingVolume": {    "region": [1.909199,0.598642,1.909343,0.598739,0.000000,8.765410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_544978.b3dm"}}}