{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xbc1f1cbbb48de30f74c63d308b9bcc78e047ba872b413e289163dccd37762f86",
    "signature": "0x99ff7ad0c303474efe5000000facdfca98c2fae1d9b61e5e26089d120d68aa2e10320582dd01728ad610055d0de10ce388367519b1826e87f98a6dc185fbe21e1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}