{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897879,-0.440242,0.000000,0.000000,0.282576,-0.576318,0.766817,0.000000,-0.336649,0.686599,0.644399,0.000000,-2150181.594246,4385321.865485,4088234.481240,1],    "boundingVolume": {    "region": [2.026601,0.700202,2.026728,0.700271,0.000000,47.936209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1_883916.b3dm"}}}