{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948877,-0.315645,0.000000,0.000000,0.176484,-0.530538,0.829086,0.000000,-0.261145,0.785043,0.561704,0.000000,-1667382.422859,5012406.042941,3562404.246326,1],    "boundingVolume": {    "region": [1.891864,0.596390,1.892001,0.596497,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1113727.b3dm"}}}