{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949432,-0.313972,0.000000,0.000000,0.175526,-0.530781,0.829133,0.000000,-0.259776,0.785547,0.561633,0.000000,-1658638.605182,5015627.048322,3561955.548739,1],    "boundingVolume": {    "region": [1.890120,0.596317,1.890219,0.596399,0.000000,13.684404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1409117.b3dm"}}}