{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "376210",
    "entityType": "User",
    "nonce": "0xd13e43cd1d7b9338cf01cb6a8b543c56330f3bca28b2bec1933cfedc106dcc6e",
    "signature": "0x5cd746c80a597fda8ee14ec7b01bd876e3ef9cf955275762b84d6fd9d7cc51e13ff46a970c7ef58e72535bd463e862862a511d4c3eccf72788e427ed8de4cf111c",
    "signer": "0x8cD8d6e90b4da9619a96bb038622f6aF7AEa8720",
    "userId": "881004247"
  }
}