{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.947976,-0.318342,0.000000,0.000000,0.116864,-0.348005,0.930180,0.000000,-0.295846,0.880986,0.369241,0.000000,-1887806.754408,5621615.225723,2340372.823765,1],    "boundingVolume": {    "region": [1.894724,0.378153,1.894828,0.378232,0.000000,40.673794]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/17_13919.b3dm"}}}