{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950440,-0.310909,0.000000,0.000000,0.173666,-0.530892,0.829454,0.000000,-0.257342,0.786688,0.561157,0.000000,-1643096.261603,5022900.896208,3558928.291670,1],    "boundingVolume": {    "region": [1.886896,0.595724,1.886995,0.595841,0.000000,8.793385]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1424765.b3dm"}}}