{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948872,-0.315660,0.000000,0.000000,0.176571,-0.530772,0.828917,0.000000,-0.261104,0.784878,0.561953,0.000000,-1667122.211840,5011357.831184,3563989.698310,1],    "boundingVolume": {    "region": [1.891898,0.596734,1.891999,0.596756,0.000000,8.478564]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/16_1115979.b3dm"}}}