{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950260,-0.311458,0.000000,0.000000,0.173945,-0.530707,0.829514,0.000000,-0.257815,0.786597,0.561068,0.000000,-1646116.791375,5022315.513377,3558362.384771,1],    "boundingVolume": {    "region": [1.887473,0.595617,1.887573,0.595734,0.000000,8.586280]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1344008.b3dm"}}}