{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896314,-0.443420,0.000000,0.000000,0.283812,-0.573688,0.768331,0.000000,-0.339754,0.686766,0.642588,0.000000,-2169996.186804,4386355.241310,4076717.786273,1],    "boundingVolume": {    "region": [2.030141,0.697812,2.030274,0.697931,0.000000,66.439108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_540056.b3dm"}}}