{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949969,-0.312344,0.000000,0.000000,0.174508,-0.530751,0.829367,0.000000,-0.258503,0.786215,0.561285,0.000000,-1650509.280877,5019886.403646,3559745.737199,1],    "boundingVolume": {    "region": [1.888370,0.595836,1.888542,0.596041,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1434138.b3dm"}}}