{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952486,-0.304581,0.000000,0.000000,0.112035,-0.350356,0.929892,0.000000,-0.282969,0.884900,0.369974,0.000000,-1805639.778524,5646600.908535,2345023.106343,1],    "boundingVolume": {    "region": [1.880213,0.378921,1.880377,0.379041,0.000000,7.266378]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/15_43837.b3dm"}}}