{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950296,-0.311349,0.000000,0.000000,0.174100,-0.531386,0.829046,0.000000,-0.257579,0.786179,0.561762,0.000000,-1644611.497658,5019659.309785,3562773.944573,1],    "boundingVolume": {    "region": [1.887333,0.596421,1.887485,0.596607,0.000000,8.789694]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1398317.b3dm"}}}