{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324732",
    "entityType": "User",
    "nonce": "0xbae0e3deb36816a8fb96e37aea80824186cbf0cdc4f8d94c753bffffdc7caf6d",
    "signature": "0x99b3cf420693041eabd697e6754a692b30c680ab7cec7dd9f787b5efb7c2eef13ce5297bc717021aa7e32ef809196e03ea4e85eb78a416faa0b8cab9c62307d91b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}