{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950740,-0.309988,0.000000,0.000000,0.173404,-0.531834,0.828905,0.000000,-0.256409,0.786411,0.561972,0.000000,-1637140.379608,5021147.856332,3564108.057759,1],    "boundingVolume": {    "region": [1.885894,0.596683,1.886059,0.596852,0.000000,8.234843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1323923.b3dm"}}}