{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950600,-0.310418,0.000000,0.000000,0.173474,-0.531231,0.829277,0.000000,-0.256881,0.786651,0.561420,0.000000,-1640152.925857,5022670.100089,3560600.027447,1],    "boundingVolume": {    "region": [1.886381,0.596051,1.886478,0.596150,0.000000,8.781981]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/1_1426685.b3dm"}}}