{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327509",
    "entityType": "User",
    "nonce": "0xcb7a08a66cb98a772eb087ba7a7fc796b3c360042d22ec4ebefb98ae2caf023d",
    "signature": "0xf311ad6e0cbe11bc59de77204b48681799f1971577bff66981219a03927112a975fcd2e159827779aa82117b089481f44b4b281139d6bfae7439287ee6da8d011b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}