1. {
    2.   "fields": {
    3.     "hVY42yGwuwDbdH16AX2B4hS9gwRat7lG": "src",
    4.     "nu4p5o7olxq2y6bvaayky1mt87uq9dkg": "seq",
    5.     "zk7q9wcd9gqymm54ghmefgvcyr1h6dyc": "type"
    6.   },
    7.   "options": {
    8.     "tadvo8": "普通人群"
    9.   }
    10. }