{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950611,-0.310384,0.000000,0.000000,0.173383,-0.531019,0.829432,0.000000,-0.256901,0.786809,0.561190,0.000000,-1640279.078630,5023671.166137,3559139.188737,1],    "boundingVolume": {    "region": [1.886336,0.595766,1.886451,0.595880,0.000000,8.818112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1425118.b3dm"}}}