{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949488,-0.313803,0.000000,0.000000,0.114615,-0.346796,0.930912,0.000000,-0.291860,0.883093,0.367375,0.000000,-1862364.887999,5635034.452932,2328534.578604,1],    "boundingVolume": {    "region": [1.889908,0.376060,1.890077,0.376310,0.000000,7.410374]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_28759.b3dm"}}}