{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363771",
    "entityType": "User",
    "nonce": "0x10f1851ec899ab63bd70c1d7125f4cb6139217088d0910c89eaa2304c9698d62",
    "signature": "0x11319658a78cfb1a8a7d6ad129adf2d5cd7f92b1934189d21a9e2c3f7d3a23060470e80260d84803964c7ef83e79175075e3ed0bf0dc3497cb34b8060f6c2a631b",
    "signer": "0x3CE307cb27B2Fc2b03Eae311050CA4e8C34Fa57d",
    "userId": "50936"
  }
}