{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948609,-0.316451,0.000000,0.000000,0.116320,-0.348687,0.929993,0.000000,-0.294029,0.881395,0.369717,0.000000,-1876215.030446,5624230.327456,2343389.044721,1],    "boundingVolume": {    "region": [1.892782,0.378704,1.892782,0.378704,0.000000,2.094011]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/18.b3dm"}}}