{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950471,-0.310815,0.000000,0.000000,0.173989,-0.532057,0.828639,0.000000,-0.257009,0.785934,0.562365,0.000000,-1640978.586568,5018106.811944,3566608.167232,1],    "boundingVolume": {    "region": [1.886798,0.597216,1.886895,0.597271,0.000000,8.800722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13.b3dm"}}}