{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948741,-0.316054,0.000000,0.000000,0.176182,-0.528869,0.830215,0.000000,-0.261843,0.786010,0.560024,0.000000,-1671827.099988,5018547.381908,3551730.644923,1],    "boundingVolume": {    "region": [1.892316,0.594304,1.892412,0.594527,0.000000,8.645811]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1093488.b3dm"}}}