{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950354,-0.311171,0.000000,0.000000,0.174030,-0.531508,0.828983,0.000000,-0.257412,0.786166,0.561856,0.000000,-1643545.793571,5019580.173208,3563373.131863,1],    "boundingVolume": {    "region": [1.887146,0.596535,1.887298,0.596721,0.000000,8.816588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1399439.b3dm"}}}