{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949552,-0.313610,0.000000,0.000000,0.174982,-0.529812,0.829868,0.000000,-0.259709,0.786349,0.560541,0.000000,-1658204.602609,5020724.134790,3555016.669707,1],    "boundingVolume": {    "region": [1.889708,0.594907,1.889870,0.595172,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1370959.b3dm"}}}