{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893940,-0.448187,0.000000,0.000000,0.288860,-0.576152,0.764597,0.000000,-0.341724,0.681592,0.647037,0.000000,-2182621.189750,4353392.924532,4105021.045607,1],    "boundingVolume": {    "region": [2.035449,0.703611,2.035615,0.703773,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1997358.b3dm"}}}