{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949749,-0.313012,0.000000,0.000000,0.115343,-0.349976,0.929631,0.000000,-0.290719,0.882106,0.370636,0.000000,-1855096.194275,5628783.477049,2349223.698221,1],    "boundingVolume": {    "region": [1.889090,0.379603,1.889228,0.379785,0.000000,24.418460]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_73323.b3dm"}}}