{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2387",
    "entityType": "User",
    "nonce": "0xc5b9a128302cd28f9c5ce9a0457c15a2adbc17eac6f478edc20522d5c26c53ee",
    "signature": "0x430388b444fa8596c8fb94fe69f7cce13bb790b4c24376b0df4a9156a36dca7c571da7d8bfc614246c82db3081298c19df2fc4b218bf6f4ffddc506af9be96e41c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}