{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949754,-0.312998,0.000000,0.000000,0.114669,-0.347949,0.930474,0.000000,-0.290972,0.882920,0.368492,0.000000,-1856705.655821,5633949.118862,2335621.588725,1],    "boundingVolume": {    "region": [1.889060,0.377262,1.889228,0.377511,0.000000,16.474416]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_22023.b3dm"}}}