{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948804,-0.315866,0.000000,0.000000,0.176078,-0.528906,0.830214,0.000000,-0.261687,0.786060,0.560026,0.000000,-1670831.216733,5018869.568819,3551743.925367,1],    "boundingVolume": {    "region": [1.892118,0.594306,1.892214,0.594529,0.000000,8.523995]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1093482.b3dm"}}}