{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950596,-0.310430,0.000000,0.000000,0.173607,-0.531618,0.829001,0.000000,-0.256804,0.786384,0.561828,0.000000,-1639666.644947,5020974.612674,3563196.832565,1],    "boundingVolume": {    "region": [1.886393,0.596545,1.886491,0.596644,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1392110.b3dm"}}}