{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949293,-0.314393,0.000000,0.000000,0.175642,-0.530340,0.829391,0.000000,-0.260206,0.785678,0.561251,0.000000,-1661383.665831,5016456.459430,3559523.796746,1],    "boundingVolume": {    "region": [1.890545,0.595843,1.890682,0.595949,0.000000,8.515199]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1361795.b3dm"}}}