{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948808,-0.315852,0.000000,0.000000,0.176084,-0.528949,0.830185,0.000000,-0.261666,0.786037,0.560069,0.000000,-1670698.835361,5018721.090990,3552014.173542,1],    "boundingVolume": {    "region": [1.892103,0.594357,1.892199,0.594581,0.000000,8.426297]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1093222.b3dm"}}}