{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77744",
    "entityType": "User",
    "nonce": "0xa30d4a7d15efc1a9071013dc09ff3bf89335264874b04c548180159f8a159f6c",
    "signature": "0x32e139088c733278263ef265a60d94f89ddf4023d7d782bd9701f9319870b31a739ad0230e73417f1011e977074eb6a6ccdcbbeae217c1887f16245fbb3ca8ec1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}