{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949059,-0.315099,0.000000,0.000000,0.115858,-0.348958,0.929949,0.000000,-0.292758,0.881771,0.369828,0.000000,-1868106.970726,5626631.048666,2344098.718116,1],    "boundingVolume": {    "region": [1.891304,0.378789,1.891409,0.378859,0.000000,60.935905]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/20_10560.b3dm"}}}