{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950587,-0.310457,0.000000,0.000000,0.173624,-0.531619,0.828997,0.000000,-0.256825,0.786373,0.561835,0.000000,-1639801.150139,5020900.137896,3563239.589893,1],    "boundingVolume": {    "region": [1.886421,0.596553,1.886519,0.596652,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1392423.b3dm"}}}