{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870665506",
    "entityType": "User",
    "nonce": "0x02bc5688a8f46c27f33b25ab32a5cdd47823ad56cc9c92da2602da777391e33d",
    "signature": "0x063924920084ea3234cf9c7e8679e5f5f0f1003c4aaf0c791c086dc42074837b51caf84890e099185af145e64db99c246985083eb27a5d12319f1c195165df5d1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}