{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0x63ed2fa86742ca35849d2c15f27216ab055390cbce5f67e606c20fdeb3ad9b7e",
    "signature": "0xf4c6960981511307920cb8bc28268b65cc9d4c9515a04beb56fff2199f8be7b409e0325c5722e7c6a5672622c97e5283ae558e0a50df5b11e39b3a556977faec1c",
    "signer": "0x65e0fADD35005a9e8d05f2e7F38FCBF9EA7413ac",
    "userId": "18343"
  }
}