{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124680",
    "entityType": "User",
    "nonce": "0x85fe27d6551b7008f0e88fdbe04cccbc45d04046c0e016cc1ad5423d805b3c7f",
    "signature": "0x0a941d1eadfc8bd14bba9fedae6037e389ef065ed6e5dee963b2ad51cc1c4f66746c46fabeb0d5d29f5cea2211b1c94f9bf4217587f93bc1104cae9d7ae7c67b1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}