{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2216",
    "entityType": "User",
    "nonce": "0x9f2be56844579ee7ed491aaa17d6ddb136cb0549d7ea5f402171740e9fc53897",
    "signature": "0x6d0704a713cf316dc14de5dd3c76910add942dcc33a07c76672373f571786712556cc46889bb35d19c2c18af58916b08ea0c5d269279566c42f920c90e690fcb1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}