{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948767,-0.315977,0.000000,0.000000,0.116115,-0.348653,0.930031,0.000000,-0.293601,0.881578,0.369620,0.000000,-1873483.330604,5625398.768387,2342774.031322,1],    "boundingVolume": {    "region": [1.892230,0.378565,1.892335,0.378635,0.000000,29.049196]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/16_11947.b3dm"}}}