{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950331,-0.311242,0.000000,0.000000,0.173595,-0.530046,0.830009,0.000000,-0.257792,0.787129,0.560331,0.000000,-1645965.911454,5025701.724226,3553679.686564,1],    "boundingVolume": {    "region": [1.887247,0.594727,1.887346,0.594844,0.000000,8.571897]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1459775.b3dm"}}}