{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x2f313afb691e93495e3c2df875b650deba1688a6fd8e70b35ff6f94bc4245a6a",
    "signature": "0x0765a6aab90f5c1353620477c56ceafc2721ba879b2246bc1e1807edff2f059b5ad4df55e8d5efe924785386e9638f3f3726c6a6cc2fdbff1747abf1f4fe426e1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}