{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950465,-0.310832,0.000000,0.000000,0.114199,-0.349200,0.930063,0.000000,-0.288830,0.883187,0.369538,0.000000,-1843037.149174,5635664.295557,2342255.248736,1],    "boundingVolume": {    "region": [1.886790,0.378472,1.886938,0.378551,0.000000,4.938945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/7_8602.b3dm"}}}