{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950625,-0.310341,0.000000,0.000000,0.173625,-0.531842,0.828854,0.000000,-0.256685,0.786267,0.562048,0.000000,-1638904.395180,5020227.960268,3564589.895924,1],    "boundingVolume": {    "region": [1.886266,0.596775,1.886431,0.596944,0.000000,8.793080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396117.b3dm"}}}