{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949727,-0.313079,0.000000,0.000000,0.115370,-0.349974,0.929628,0.000000,-0.290780,0.882083,0.370643,0.000000,-1855488.590046,5628635.558655,2349267.916957,1],    "boundingVolume": {    "region": [1.889160,0.379611,1.889299,0.379792,0.000000,42.444313]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73374.b3dm"}}}