{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "297394",
    "entityType": "User",
    "nonce": "0x4dbc81e8a7babe7752d94f12e263ebe0fc6b95473a08edaecfa1da2c7a02a717",
    "signature": "0xa2a730809264bda8ba5e15f20bea8b1f1bfad1166b0931360291d64031acf1f4198abd87d2eaa53a8b8beccca12e83dd143e58eb290a94d310b9d576a27d9efa1c",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}