import json
s = '{ "id": "626307" ,"t" : ".INX" ,"e" : "INDEXSP" ,"l" : "2,050.59" ,"l_fix" : "2050.59" ,"l_cur" : "2,050.59" ,"s": "0" ,"ltt":"3:08PM EST" ,"lt" : "Nov 17, 3:08PM EST" ,"lt_dts" : "2015-11-17T15:08:33Z" ,"c" : "-2.60" ,"c_fix" : "-2.60" ,"cp" : "-0.13" ,"cp_fix" : "-0.13" ,"ccol" : "chr" ,"pcls_fix" : "2053.19" }'
my_dict = json.loads(s)
print(my_dict["l_fix"])
aW1wb3J0IGpzb24KcyA9ICd7ICJpZCI6ICI2MjYzMDciICwidCIgOiAiLklOWCIgLCJlIiA6ICJJTkRFWFNQIiAsImwiIDogIjIsMDUwLjU5IiAsImxfZml4IiA6ICIyMDUwLjU5IiAsImxfY3VyIiA6ICIyLDA1MC41OSIgLCJzIjogIjAiICwibHR0IjoiMzowOFBNIEVTVCIgLCJsdCIgOiAiTm92IDE3LCAzOjA4UE0gRVNUIiAsImx0X2R0cyIgOiAiMjAxNS0xMS0xN1QxNTowODozM1oiICwiYyIgOiAiLTIuNjAiICwiY19maXgiIDogIi0yLjYwIiAsImNwIiA6ICItMC4xMyIgLCJjcF9maXgiIDogIi0wLjEzIiAsImNjb2wiIDogImNociIgLCJwY2xzX2ZpeCIgOiAiMjA1My4xOSIgfScKbXlfZGljdCA9IGpzb24ubG9hZHMocykKcHJpbnQobXlfZGljdFsibF9maXgiXSk=