{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "5177",
    "entityType": "User",
    "nonce": "0xa256b53d81729190d284541b3797cdaa117cc0a0c536c2a4d3289264d103f623",
    "signature": "0xbceab70aca03a064acecf65d547445e4da9850a575b2b88af82d644a31afe3902ab74c7e3b61e88b128e401a16e9fe8c80d99e47afcd2d4c6c7fa5b9bbbac9121c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}