{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x0e6b1c81fa3df3b37f8e03862a161398de1397db7823043cd4d18d645fee6a0d",
    "signature": "0xda6d7e05756ca1c6dbe53d7f0032fdc40696e961e913d1601fa65b82b7e6496222227ad9399a16f25f5d67a138e323fda83dbb4a839cd9ccd543f68a56405c421c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}