{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949118,-0.314921,0.000000,0.000000,0.115720,-0.348762,0.930040,0.000000,-0.292622,0.881912,0.369598,0.000000,-1867234.416952,5627532.227651,2342639.995104,1],    "boundingVolume": {    "region": [1.891124,0.378547,1.891215,0.378607,0.000000,63.466930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/16.b3dm"}}}