{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x5758a46e994d32f4e7a3f55c6ace98aecf1c42b912c45b8e75f04b4e2c818943",
    "signature": "0x92048e2a29aa4300ca87d40a61fc68f0b46a836f0483c26f529a79b3a6d392260c53f6ffe2fd44e84cc94a2cdf7f09ab856beeea83a2f57722aede02b4509fae1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}