{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897843,-0.440316,0.000000,0.000000,0.282797,-0.576646,0.766489,0.000000,-0.336560,0.686275,0.644790,0.000000,-2149619.863190,4383257.460755,4090726.225516,1],    "boundingVolume": {    "region": [2.026684,0.700714,2.026811,0.700783,0.000000,8.736786]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_852923.b3dm"}}}