{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893944,-0.448178,0.000000,0.000000,0.288846,-0.576138,0.764613,0.000000,-0.341724,0.681609,0.647019,0.000000,-2182625.352124,4353502.771942,4104903.130342,1],    "boundingVolume": {    "region": [2.035440,0.703586,2.035605,0.703749,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1997086.b3dm"}}}