{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949145,-0.314839,0.000000,0.000000,0.116072,-0.349922,0.929560,0.000000,-0.292393,0.881478,0.370814,0.000000,-1865784.486226,5624774.546758,2350353.393494,1],    "boundingVolume": {    "region": [1.891029,0.379828,1.891138,0.379943,0.000000,71.051956]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_77601.b3dm"}}}