{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949741,-0.313037,0.000000,0.000000,0.115352,-0.349973,0.929630,0.000000,-0.290742,0.882098,0.370637,0.000000,-1855243.009439,5628733.560239,2349227.335612,1],    "boundingVolume": {    "region": [1.889116,0.379604,1.889254,0.379785,0.000000,24.418460]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73331.b3dm"}}}