{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "556395670",
    "entityType": "User",
    "nonce": "0xca34d38df27b4f9c003fd4f77561245a949835e41ff96c7b713ef980c31f8d1f",
    "signature": "0xcade5c1afda5fb3488bfa85b43956c14a22c9d3076a1e495a3c8d671f9df426c3fff11f0ac09e15cb48dd50246b2b947bc1e983ee03be5fbfdc4e652168bb2f51c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}