{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950449,-0.310881,0.000000,0.000000,0.173864,-0.531552,0.828990,0.000000,-0.257174,0.786251,0.561846,0.000000,-1642024.169743,5020125.030704,3563307.511506,1],    "boundingVolume": {    "region": [1.886867,0.596566,1.886965,0.596665,0.000000,13.011761]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_1392870.b3dm"}}}