{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948739,-0.316059,0.000000,0.000000,0.176383,-0.529463,0.829794,0.000000,-0.261713,0.785605,0.560652,0.000000,-1671002.606645,5015977.528163,3555719.743731,1],    "boundingVolume": {    "region": [1.892321,0.595061,1.892417,0.595285,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1179174.b3dm"}}}