{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893942,-0.448182,0.000000,0.000000,0.288841,-0.576123,0.764626,0.000000,-0.341733,0.681620,0.647003,0.000000,-2182680.931371,4353571.593713,4104801.272715,1],    "boundingVolume": {    "region": [2.035444,0.703565,2.035609,0.703728,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1870874.b3dm"}}}