{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0xcec307318f6e36dfc1b64adef0b7fb2221ffdfade117040d4d45337d7c6139b8",
    "signature": "0x9cba1601e9488cb45b6a78d0391150d8dd6d177a90fc1845c5ae22c112ae386c5856a064fdaaba161c274a5814dc71fa136c63b24b92a401d3aeb48e0d8484411b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}