{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8de666218bf8438af37bba693326b81b63d29c2e698ff35cf1d8eb419084f460",
    "signature": "0x8e302b493330c723b29e09b70462835ec88d3da1d284dc3678f0342f2daffedb27d0891fc23eb685326f4b8167e5743f663f728484abccf36270c24d8d3f82851c",
    "signer": "0xDeE213Ef77A0E14AFfF1Db9109c5F64CC5858BDe",
    "userId": "830538576"
  }
}