{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951880,-0.306472,0.000000,0.000000,0.112575,-0.349651,0.930092,0.000000,-0.284788,0.884529,0.369465,0.000000,-1817244.192730,5644226.170823,2341795.597951,1],    "boundingVolume": {    "region": [1.882199,0.378373,1.882363,0.378494,0.000000,18.993673]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/11_45775.b3dm"}}}