{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949180,-0.314733,0.000000,0.000000,0.175828,-0.530266,0.829399,0.000000,-0.260490,0.785593,0.561239,0.000000,-1663194.269172,5015911.014233,3559447.420421,1],    "boundingVolume": {    "region": [1.890903,0.595828,1.891040,0.595935,0.000000,9.282281]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1361910.b3dm"}}}