{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897874,-0.440252,0.000000,0.000000,0.282580,-0.576310,0.766822,0.000000,-0.336658,0.686599,0.644393,0.000000,-2150241.246099,4385323.897566,4088201.152018,1],    "boundingVolume": {    "region": [2.026612,0.700195,2.026739,0.700264,0.000000,47.936209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1_883912.b3dm"}}}