{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x56fac7a4a15856114543e9c6c32a4fc67e5a27666185109705e4ca37409fdf49",
    "signature": "0x7d00f6f84f2194bb7c69fcca448f57e3b26120093bf39e95d71f44c581421eb663c7c62d0946c53da6701c1d80c1d94f600bba108aa9cec2241a4a238b855a031b",
    "signer": "0x1D748e2688Bd6300A4a8d0F927a28DC64d5Ae37A",
    "userId": "623507758"
  }
}