{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951209,-0.308546,0.000000,0.000000,0.115683,-0.356635,0.927054,0.000000,-0.285767,0.880985,0.377097,0.000000,-1823532.315590,5621720.669404,2390212.267180,1],    "boundingVolume": {    "region": [1.884379,0.386608,1.884542,0.386711,0.000000,54.868675]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/13_20540.b3dm"}}}