{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "777",
    "entityType": "User",
    "nonce": "0x06d87fe64a166a31e9dd989abd6b413915c41c12c81a89b682a159d01c84229f",
    "signature": "0x1652ae677cbfa8549d7f25a81b0513db6413cc7b7d1d3811eafa20b7c1e610f717686d3a40cd35235f7ede16e6b9c91722d2c404591f342d9f2a2fe3cc40dddf1c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}