{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949146,-0.314835,0.000000,0.000000,0.116070,-0.349921,0.929560,0.000000,-0.292390,0.881479,0.370814,0.000000,-1865760.907185,5624784.057496,2350349.377475,1],    "boundingVolume": {    "region": [1.891025,0.379827,1.891134,0.379943,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_77586.b3dm"}}}