{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951869,-0.306504,0.000000,0.000000,0.112585,-0.349640,0.930095,0.000000,-0.284818,0.884522,0.369458,0.000000,-1817440.752258,5644181.742430,2341750.443948,1],    "boundingVolume": {    "region": [1.882233,0.378366,1.882397,0.378486,0.000000,18.925693]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_45737.b3dm"}}}