{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117930509",
    "entityType": "User",
    "nonce": "0x4f1aff0e91fa00f3bc6e35d6299df5587fcda054e73d8915c922c9e79f56ca16",
    "signature": "0x302ffe1eba79cf773e4e05ebd61dda18a8fbd4cae8ed73f877e638397a713f320820383881860b1694e84e34df8d988f72748a4eb684096b1adc0aaae13085631b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}