{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949042,-0.315149,0.000000,0.000000,0.115882,-0.348969,0.929942,0.000000,-0.292802,0.881748,0.369847,0.000000,-1868388.792726,5626488.459770,2344215.572683,1],    "boundingVolume": {    "region": [1.891357,0.378809,1.891462,0.378879,0.000000,60.935905]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/20_10631.b3dm"}}}