{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51702",
    "entityType": "User",
    "nonce": "0xa3fe84dfb3469696b89343962cbe40423bf20a742381f0e30398aa49034052dc",
    "signature": "0x6f56a3abb7c9a04b85211e3bd6fa9a62487db9ddc3540a246f71901fdc7dec124339c6f118ffde5673ecc110d22592f23ba4fe9308d4c3ce0a2971cdacea84521c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}