{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951852,-0.306558,0.000000,0.000000,0.112718,-0.349986,0.929949,0.000000,-0.284823,0.884366,0.369829,0.000000,-1817469.773160,5643188.515561,2344104.568655,1],    "boundingVolume": {    "region": [1.882289,0.378765,1.882453,0.378886,0.000000,5.158731]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/14_46591.b3dm"}}}