{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949450,-0.313918,0.000000,0.000000,0.175498,-0.530798,0.829129,0.000000,-0.259730,0.785558,0.561640,0.000000,-1658344.584387,5015693.578164,3561998.476976,1],    "boundingVolume": {    "region": [1.890064,0.596326,1.890162,0.596407,0.000000,13.684404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1409343.b3dm"}}}