{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x54710f8d36dc367e6910b5f50c69c9f5a40373d1b74a5d598d083f5a3fdf9abb",
    "signature": "0x2fa5d0ad5ffbb1d7be51146c16a9c8cc3df21cbed15b3c4df2e828bb841b9cad2fc83fd4cd5f5a38ad3e899b5c32c4a6f69099d25d307ebb4b2968d407801bda1c",
    "signer": "0x96cF9992C71A76d6140b5a183519e39a865bC5A0",
    "userId": "937933265"
  }
}