{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949086,-0.315017,0.000000,0.000000,0.116119,-0.349843,0.929584,0.000000,-0.292566,0.881445,0.370755,0.000000,-1866886.724485,5624568.267870,2349974.317208,1],    "boundingVolume": {    "region": [1.891217,0.379764,1.891325,0.379879,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76626.b3dm"}}}